Answer:
71º
I would give an explanation, but it sound like you could use this answer sooner than later.

the -7 is found there twice, so it has a multiplicity of 2
the +7 is there thrice, so it has multiplicity of 3
Answer:
You will find it.
Explanation:
Replace the X value in each answer's formula with the table's value, then find the answer.
Ex: A. y = 4x + 4
if x = -1
=> y = 4.(-1) + 4 = 0 (not match y value in the table) => the answer is not A
38 is 10 more than 1/3 of 21