Find the solution of the system of equations.
10x+10y=40
5x+3y=8

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

Ebuka's monthly rent is $750. if ebuka pays the rent late, his landlord charges 4% interest per week that the payment is late. write a function that gives the total cost r(t), in dollars, of ebuka's rent if he pays it t weeks late.

What is the length of the midsegment of a trapezoid with bases of length 15 and 25 ?