This sample comes from. QUESTION 3–12 marks
7,5, a, 8,1, a, 4,6, b have a mean of 5 and a variance of 3
and b such that a, b eZ+
Calculate the value of a

A. what is the area of the base? use complete sentences to explain your reasoning. b. what is the volume of the prism? use complete sentences to explain your reasoning.

Simplify -4z+2y-y+-18z a.-22z+y b.-14z+2 c.3y+22z d.y +14z

Using elimination, what is -4x+2y=-12 4x+8y=-24