Question 1 (Multiple Choice Worth 4 points)Simplify the following expression.a + c − 4b − c + a − ba − 6ba − 5b2a − 6b2a − 5bQuestion 2 (Multiple Choice Worth 4 points)Evaluate: 3(6 − 3) − 1 • 6−60−338Question 3 (Multiple Choice Worth 4 points)Mr. Lemons earns $1000 for every used car he sells and $3000 for every new car he sells. How much would he make if he sold "x" used cars and "y" new cars?4000xy1000x + 3000y2000y + 4000x3000xyQuestion 4 (Multiple Choice Worth 2 points)Evaluate: 7 − (−6)42−1131Question 5 (Multiple Choice Worth 2 points)Which of the following pairs of terms are like terms?2 and 3y3x and 4x25x and 2x55x3 and 6x3Question 6 (Multiple Choice Worth 4 points)Evaluate: 10 − 64 ÷ 8 + 429.2541836Question 7 (Multiple Choice Worth 2 points)Simplify the following expression.3x − 4y + 6z − x − 3y + 2z4x − y + 8z2x − y + 8z2x − 7y + 8z2x − 7y + 12zQuestion 8 (Multiple Choice Worth 2 points)Evaluate: −10 + 6−4164-16Question 9 (Multiple Choice Worth 4 points)Evaluate 30 ÷ (6 − 1) • 2381012Question 10 (Multiple Choice Worth 4 points)Evaluate x − 2y − 5z when x = −3, y = 1, and z = −2−15155−5Question 11 (Multiple Choice Worth 4 points)Which of the following expressions could be simplified further?2x + 3m + 7n + 4z − 5p6x − 7m + 9x4x + 3m − 5z + 8a2x + 3m − 5y + 4zQuestion 12 (Multiple Choice Worth 4 points)Evaluate 3x − 5y when x = 3 and y = −2−19191−1Question 13 (Multiple Choice Worth 2 points)Evaluate: −5 − 4−1−919Question 14 (Essay Worth 6 points)Rose worked the following problem incorrectly.Part 1) In which line was the mistake made?Part 2) Show your work and give the correct answer?Line 1 30 ÷ 5(3 − 1) − 4Line 2 30 ÷ 5(2) − 4Line 3 30 ÷ 10 − 4Line 4 3 − 4Line 5 −1Question 15 (Essay Worth 6 points)A concession stand charges $2.00 per soda and $0.50 per candy bar. Write an expression for the amount of money you would need to buy x sodas and y candy bars.

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no one is going to do your home work for you if s/he is in right sense of mind.you should not abuse the forum [ya] like this.post 1 or 2 q, & we will do them.

1. 2a-5b 2.-60 3.1000x+3000y 4.42 thats all im doing for you im just being nice but if you dont understand nothing that you have to put up all your homework questions, get some tutoring

Simplify the following expression.a + c − 4b − c + a − bRearrange and combine like terms.a + a – 4b – b + c – cThe answer is 2a – 5bQuestion 2 (Multiple Choice Worth 4 points)Evaluate: 3(6 − 3) − 1 • 6Use PEMDAS3(3) – 69 – 6 The answer is 3Question 3 (Multiple Choice Worth 4 points)Mr. Lemons earns $1000 for every used car he sells and $3000 for every new car he sells. How much would he make if he sold “x” used cars and “y” new cars?x = used cary = new carThe answer is 1000x + 3000yQuestion 4 (Multiple Choice Worth 2 points)Evaluate: 7 − (−6)Use PEMDAS7 + 6The answer is 13Question 5 (Multiple Choice Worth 2 points)Which of the following pairs of terms are like terms?The answer is 5×3 and 6x3Question 6 (Multiple Choice Worth 4 points)Evaluate: 10 − 64 ÷ 8 + 42Use PEMDAS10 – 8 + 422 + 42The answer is 44Question 7 (Multiple Choice Worth 2 points)Simplify the following expression.3x − 4y + 6z − x − 3y + 2zCombine like terms.3x – x – 4y – 3y + 6z + 2zThe answer is 2x − 7y + 8zQuestion 8 (Multiple Choice Worth 2 points)Evaluate: −10 + 6The answer is − 4Question 9 (Multiple Choice Worth 4 points)Evaluate 30 ÷ (6 − 1) • 2Use PEMDAS30 ÷ 5 • 26 • 2The answer is 12Question 10 (Multiple Choice Worth 4 points)Evaluate x − 2y − 5z when x = −3, y = 1, and z = −2Substitute each letter with its known value.- 3 – 2(1) – 5(- 2)Use PEMDAS- 3 – 2 + 10- 5 + 10The answer is 5Question 11 (Multiple Choice Worth 4 points)Which of the following expressions could be simplified further?The answer is 6x − 7m + 9xQuestion 12 (Multiple Choice Worth 4 points)Evaluate 3x − 5y when x = 3 and y = −2Substitute each letter with its known value.3(3) – 5(- 2)Use PEMDAS9 + 10The answer is 19Question 13 (Multiple Choice Worth 2 points)Evaluate: −5 − 4Use PEMDASThe answer is −9Question 14 (Essay Worth 6 points)Rose worked the following problem incorrectly.Part 1) In which line was the mistake made?Part 2) Show your work and give the correct answer?Line 1 30 ÷ 5(3 − 1) − 4Line 2 30 ÷ 5(2) − 4Line 3 30 ÷ 10 − 4Line 4 3 − 4Line 5 −1The answer is none.Question 15 (Essay Worth 6 points)A concession stand charges $2.00 per soda and $0.50 per candy bar. Write an expression for the amount of money you would need to buy x sodas and y candy bars.x = soday = candy barcost of soda = $2cost of candy bar = $0.50The answer is 2x + .5y

1) 2a − 5b2) 33)1000x + 3000y4) 135)5x and 2×56)447)2x − 7y + 8z8) -49)1210) 511)6x − 7m + 9×12)1913)-914)every lines are correct..15)2x + 0.5y…………☺

THERE IS an error in Q#14.In line 3, Rose multiplied 5 and 2, without taking note that we should perform multiplication AND division while not giving a higher priority to one over the other.To see it, let me write Line 2 as:30 ÷ 5 * 2 – 4Then, we do multiplication AND division, whichever comes 1st.6 * 2 – 412 – 48hope this helps