Answer:
10
Step-by-step explanation:

4 x 5 = 20
= 10
Answer:
First "order of operations" mistake: step 2
First arithmetic mistake: step 4
Step-by-step explanation:
As we understand Rena's work, she wants to simplify ...

for x = -1 and y = 2.
Her work seems to be ...
<u>Step 1</u>

<u>Step 2</u>

<u>Step 3</u>

<u>Step 4</u>

_____
So, the first arithmetic error is in Step 4. However, the order of operations requires exponents be evaluated first. Doing that makes step 2 look like ...

__
We expect your answer is supposed to be Step 4.
Answer:
560/800 = 0.7 pounds per dollar
Answer:
(-1,-2)
Step-by-step explanation:
apex
Answer:
The Answer is A: 150
Step-by-step explanation:
$29.50 - $19.00 = $10.5
$10.5 / $0.07 = 150 Minutes.