Question

Evaluate the expression for r = 2 and t = 7.

3(r2 + t) - r2

Answer 1

29

Answer 2

how did you figure that out?

Answer 3

Well I used the Order of Operations to solve the problem

Answer 4

We start inside the parentheses

Answer 5

Order of Operations: Parentheses, Exponents, Multiplication and Division, Addition and Subtraction

Answer 6

r x 2, or 2x2 is 4, the we add 4+7= 11

Answer 7

Then we multiply 11x3= 33

Now we have 33 - r2

Answer 8

2x2=4 so now we are left with 33-4, which is 29

Answer 9

ok I think I get it better thank you