Answer:
there is no question
Step-by-step explanation:
there is no question/angle so i don't know how to help you
A, because: 20x10 1/2=210
And 20x11 1/4=225
And 225-210=15
So thats the answer.
I've done this test before
The factor should be x+7 so, none of the above.
Hope I helped! ( Smiles )
Answer:

B. 30
Step-by-step explanation:
First, you multiply by 5 from both sides of equation.

Simplify, to find the answer.

, which is our answer.