This is an isosceles triangle z=?

Given the function f(x) = log base 4(x+8) , find the value of f^-1(2)

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

Solve the system of equations y= 3/2 - 1, -x+ y =-3