A. 70 bc its double the angle caf
Answer:

Step-by-step explanation:
1) Remove parentheses.

2) Use this rule: a ÷ b/c = a × c/b.

3) Use this rule: a/b × c/d = ac/bd.

4) Simplify 4 × 6 to 24.

5) Simplify 5 × -7 to -35.

6) Move the negative sing to the left.

7) Remove parentheses.

<u>Therefor</u><u>,</u><u> </u><u>the</u><u> </u><u>answer</u><u> </u><u>is</u><u> </u><u>24</u><u>/</u><u>35</u>.
Answer: x=12
First, you do 8 squared = 4(4+x)
Then, you distribute and becomes a two-step equation.
64=16+4x.
So x=12.
Hope it helps :) Brainliest?