Marlene used a calculator to evaluate an expression and get a result of 7. Which expression did she evaluate? Marlene evaluated 18+ (3+6)-5. Marlene evaluated (18+3)+6-5. Marlene evaluated 18+ (3+6-5). Marlene evaluated (18+ (3+6))-5.

Q: Ellen is 2 years older than her brother Luke. Let k represent Luke’s age. Identify the expression…

A: Given Data: 'k' represents Luke's age   Let X represent Ellen's age

Q: What is  7 + 9

A: Addition is one of the four basic operations of arithmetic, the other three being subtraction,…

Q: Which of these expressions is the same as I+3+ 2 I+3 Select one: O a. O c. O d. O e. = (x+3)²+3…

A:

Q: Evaluate the expression -x²+5x+8 for x =-4

A:

Q: What is an equivalent expression for 3k +4k

A: Here we have to write an equivalent expression for 3k+4k .

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Q: Evaluate 2 . [ 8 - 3  ( 4 + 2 ) ] - 3

A:

Q: Simplify the following expression: 7x - (-4x2 + 2x – 3) + (2x² – 5x + 3) 6x2 + 6

A: Simplify7x-(-4x2+2x-3)+(2x2-5x+3)

Q: what is the anwer to -7(10x-16)=-658

A:

Q: 11+(9+4)=(6+7)+11

A: 11+(9+4) = (6+7)+11 LHS 11+(9+4) = 11+13 = 24

Q: I'm not sure how to find the expressions for 7

A: As two Questions are posted, I will solve only one: 7. As the acceleration is decreasing, the upper…

Q: b. Evaluate—(3x − 2)° 6

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Q: what is 10+2

A: To Solve:- 10 + 2

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A: The given data: Checking account balance = t dollars First deposit balance = w dollars Second…

Q: Use the Commutative Property of Addition to find the missing number: 3+8 = +3

A:

Q: Evaluate the expression 1-7P5/8P4

A:

Q: Which Of the following is an equivalent expression to x^2+6x+11 A. (X+3)^2 +2 B. (X-3)^2+2…

A: given,        x2+6x+11

Q: What does the notation A - P - B mean?

A: