Find equation that’s has of roots of 2,-i land f(3)=40

Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income

The diameter of a ball is 8 in. what is the volume of the ball? use 3.14 for pi. enter your answer as a decimal in the box. round only your final answer to the nearest hundredth.

The area of a rectangle is 54x^9y^8 square yards.if the length of the rectangle is 6x^3y^4 yards,which expression represents the width of the rectangle in yards