Joshua's cousin pledged $12 for a charity walk if joshua walk 3 miles how much did his cousin pay for per mile

Classify each polynomial by its degree and by its number of terms.

Use the four functions below for this question. compare and contrast these four functions using complete sentences focus on the slope and y- intercept first, and then on any additional properties of each function

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