The volume of a cone is 88 PI cubic feet. Its height is 6 feet. Singha is finding the diameter of the base of the cone. Her work is shown below.

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9

Frank owns a $141,000 home, for which he has a 30-year mortgage in the amount of $700 a month. once he has paid off mortgage, how much will he have paid in investment? a. $111,000 b. $109,000 c. $120,000 d. $141,000

What’s the answer ? use the picture to see the problem