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 ...

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We expect your answer is supposed to be Step 4.
Every 12th box gets a whistle and a ball because 12 is the lowest common factor of 6 and 4.
Answer: 
Step-by-step explanation:
Given
The equation of line is 
The line which is parallel to the given line is 
and shifted by 3 units down i.e. its y-intercept is 3 units below the given line

Answer: BC/BF & M<C
Step-by-step explanation:
15x - 5(3x-7) = 14
15x - 15x+ 35 = 14
35 = 14 ...NOT TRUE
answer
NO solution
you got it correct