Answer:

Step-by-step explanation:
To complete the square: add 4 to both sides because the product of 4 as 2 as the factor which 2 * 2 so 



Now we can factor the expression

Move the 4 to the other side to isolate y which changes the sign
Answer:
He did NOT apply the distributive property correctly for 8(1 + 2i)
Answer:
2 cups
Step-by-step explanation:
16/8=2 so it is 2 cups
Answer:
A
Step-by-step explanation:
The function has vertical asymptotes at x=7 and x=-3, so the denominator needs to have factors (x-7) and (x+3).
This eliminates all the options except for A.
Left side: 63, 72, 16 right side: 36, 4, 35