Write a quadratic function in standard form whose graph passes through (-5,0), (9.0) and (8,-39)

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.