what is the answer of 3x^3/4x in qoutien rule what is the quotient of 6a^2-21a/3a a. d^2-7 c. 2a^2-7 b. 2a+7 d. 2a^2+7 If the length of the following rectangular vegetable garden is twice a number increased by 3 and its width is a number decreased by 5, find the perimeter of the rectangle.(show your solutions)