Answer:
66=75
(false)
Step-by-step explanation:
56+10=75
Answer:
20*(20+1)/2 = 210
Step-by-step explanation:
The answer is f(2y) = 8y^2 - 8
In order to find this, we need to put 2y in where x was in the original equation. From there, we follow the order of operations to simplify.
f(x) = 2x^2 - 8
f(2y) = 2(2y)^2 - 8
f(2y) = 2(4y^2) - 8
f(2y) = 8y^2 - 8
8pi
...............................
Answer: 9
Step-by-step explanation: pentagon has 5 sides so divide 45 by 5