An investor invests a total of $15,000 in two banks. One bank pays 4% simple interest, and the other bank pays 2.5% simple interest. The investor earns $472.80 annual interest. Set up a system of equations to represent this relationship with x= the amount invested at 4% and y = the amount invested at 2.5%

Acollege is planning to construct a rectangular parking lot on land bordered on one side by a highway. the plan is to use 680 feet of fencing to fence off the other three sides. what dimensions should the lot have if the enclosed area is to be a maximum?

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.

Complete the equation of the live through (-1,6) (7,-2)