Answer:
? = -36
Step-by-step explanation:
When you raise an exponent to an exponent, the resulting power is a product of the two exponents.
For this problem, you can solve for the missing value by writing:

Divide both sides by 1/3 to isolate the missing value.

Solve for ?.

Answer:
Whole numbers, repeating decimals, and decimals that never end
Step-by-step explanation:
Answer:
30 is the perimeter i think 2 x 5 = 10 + 2 x 4.5 = 10 x 2 = 20 so 20 + 10 = 30
I think the area is 45, 5 x 4.5 = 22.5 and 2 x 22.5 = 45
Wait for more responses if needed please.