The bag can be right- or left-handed. it can be ordered with or without a grab strap, a chiller insert, a camera insert, and a water bottle pocket. how many different bags are possible?

Scarlet bought three pairs of sunglasses and two shirts for $81 and paula bought one pair of sunglasses and five shirts for $105 what is the cost of one pair of sunglasses and one shirt?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

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).