Polynomial of degree 3 with three distinct real zeros and a positive leading coefficient

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?

The focus of parabola is (-4, -5), and its directrix is y= -1. fill in the missing terms and signs in parabolas equation in standard form

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry