$32.00 divided by $4.85 = how many dollars?

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

Circle d circumscribes abc and abe. which statements about the triangles are true? statement i: the perpendicular bisectors of abc intersect at the same point as those of abe. statement ii: the distance from c to d is the same as the distance from d to e. statement iii: bisects cde. statement iv: the angle bisectors of abc intersect at the same point as those of abe. a. i only b. i and ii c. ii and iv d. i and iii e. iii and iv

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two