Answer:
D)
Step-by-step explanation:
You have to use the laws of exponents to solve this:
Power of a Power: . In this case, , all of the numbers in the parenthesis need to be multiplied to the power of 3: .
Quotient of Powers: . In this case, , all of the exponents need to be subtracted (but the 4³ (64) and 8 need to be divided): .
Use the Power of a Power again for the expression at the right: . You get: . Keep the subtraction/negative sign where it is.
Together, you get: .
Hope it helps!
1/3
rise over run
x = 15
y = 19
Perimeter of swimming pool = 2(l + w)
2(24 + 12)
2(36)
72
Perimeter of walkway = 2(l + w)
2(4c + 4w) [ Since it is saying all side]
8c + 8w
Expression = 72 + 8c + 8w
the change is b 8. 63-55=8 35+20=55