F(2) = 20(1.25)^x
f(2) = 20(1.25)^2 - plug in 2 to x
f(2) = 20(1.5625) - calculate 1.25^2
f(2) = 31.25 - simplify
Answer:
180
Step-by-step explanation: The exterior angles sum to 360 and there are 21
Step-by-step explanation:








Answer: x = 16
Step-by-step explanation:
Solve for x by simplifying both sides of the equation, then isolating the variable. :)
Answer:
A
Step-by-step explanation:
It would be A, because EQUAL lateral is all sides are equal