A car is traveling at a steady speed. It travels 2 1/3 miles in 3 1/2 minutes. How far will it travel in 43 ​? In 1 hour ​?

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

Astudent draws two parabolas both parabolas cross the x axis at (-4,0) and (6,0) the y intercept of the first parabolas is (0,-12). the y intercept of the second parabola is (0,-24) what is the positive difference between the a values for the two functions that describe the parabolas

If f(x) = 3x-2 and g(x) =2x+1 find (f-g)(x)