Help me find the volume of this right solid pleaseee
Both question 4 and 5

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827

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 is the scale factor of two similar pyramids with volumes of 64 cubic feet and 8 cubic feet