find the simple interest paid to the nearest cent for each principal, intrerest rate and time $85, 4.5%, 3 years

explanation:

step-by-step explanation:

the answer is 40.

proof:

if your equation is in the form ax2 + bx + c, you can find the maximum by using the equation:

max = c - (b2 / 4a).

the first step is to determine whether your equation gives a maximum or minimum.

-x2 + 4x - 2.     thats an example hope it