D is at the bottom of the circle, it was cut off.

Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary

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

Drag the tiles to the correct boxes to complete the pairs. label each function. as even , odd, or neither.