Answer:
14
Step-by-step explanation:
164 = 8x + 52
Subtract 52 from both sides
112 = 8x
Divide both sides by 8
14 = x
Step-by-step explanation:

To leave answer in positive exponents, just leave the answer inverse of the negative exponents.
Answer:
b
Step-by-step explanation:
60 because area of a rectangle is l*b*w. So 6*2*5 will equal 60