If the diameter of circle a measures half of the diameter of circle b, then the area of circle b is how many times the area of circle a ?

Ametal rod needs to be 9 feet and 5.5 inches in length. the sections of the poles being used are each 1 foot and 10.5 inches long. how many 1ft 10.5in sections would be needed to complete the 9ft 5.5in metal rod? and how many inches of material will be left?

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.

Prove that (x-2)is factor of p (x)=2x³-3x²-17x+30