What is the equation in standard form of a parabola that contains the following points (-2, -,-,-20) a: y= -2.5x^2 + 5x b: y= -x^2 +4x-4 c y= -2x^2 +4x-4 d y= -2.25x^2 +4.5x -2

The table above shows approximate conversions from gallons to liters. what is the value of x?

The pair of coordinates that do not represent the point( 5,150’) is a. (5,-210) b. (5,210) c. (-5,330) d. (-5,-30)

Grandpa ernie is shrinking! over the past 4 years his height decreased by a total of 2.4 cm.it decreased by the same amount each year. what was the change in grandpa ernie's height each year