Mr. Lopez has 24 more books than Mrs. Hill if the ratio of their books is 7:4 how many books does Mrs. Hall have?

The hypotenuse of an isosceles right triangle is $14\sqrt 2$. what is the area of the triangle?

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

Which expression is equal to (21)(7)(3x) using the associative property? (21 · 7 · 3)x (7)(21)(3x) 32(7 + 3x) (3x)(7)(21)