Which expression can be used to found the service area the following square pyramid cheese one answer a. 10+10 +8+8+8+8

Find the area of a parallelogram with the given vertices. p(-2, -5), q(9, -5), r(1, 5), s(12, 5)

Which of the following is the result of expanding the series

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).