The value of 9 is not-3 because O A. 9^2-3
B. 3^2-9
O C. (-3)^2 -9
O D. (-9)^2--3
Imaginary numbers

Based on what i know about mean, this doesn't add up.

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?