Answer:
x = 5
Step-by-step explanation:
First you distribute
9x - 21 = 24
Add 21 to both sides
9x = 45
Divide both sides by 9
x = 5
The answers are as follows:
Box 1) D
Box 2) .02D
Box 3) D + .02D
I think it’s 57 bc it is a 90* angle and a 33 so that minus 180
