What is 2 1/8 as an improper
fraction?

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

Onnie is considering doing some long term investing with money that she inherited. she would like to have $50,000 at the end of 30 years. approximately how much money would lonnie need to put into an account earning 6% interest compounded annually in order to meet her goal?

If a line is defined by the equation y = 5x + 2, what is the slope?