You put $400 in a savings account. the account earns 7% simple interest per year.

a. what is the interest earned after 10 years?
b. what is the balance after 10 years?

In which form is the following function written? y = - 2(x – 3)(x + 5)

What is the radical expression that is equivalent to the expression 27 1 over 5?

For the quadratic function [tex]y=(x+4)^2-1[/tex] , do the following: a) rewrite the function in the standard form, b) rewrite the function in intercept form, c) find the vertex, d) find the y-intercept, e) find the x-intercepts.