Answer: D
Step-by-step explanation:
The perimeter is all the sides added up
2.5x + 2.5x + 10 + 2 + 10 =>
5x + 22
It is also given that the perimeter is 10.5x
meaning that both these values are equal
5x + 22 = 10.5x
Answer:
c 44
Step-by-step explanation:
Because it can be written as a fraction 1/3
Answer:
A 3 goes in the parentheses. The expression evaluates to 59.
Step-by-step explanation:
b = 3
2b^3 + 5 =
= 2(3)^3 + 5
= 2 * (3 * 3 * 3) + 5
= 2 * 27 + 5
= 54 + 5
= 59