The sides of a rectangle are 25 cm and 8 cm. What is the measure, to the nearest degree, of theangle formed by the short side and a diagonal of the rectangle?

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

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).

You need to solve a system of equations. you decide to use the elimination method. which of these is not allowed? 3x - 2y = 7 3x + 4y = 17 equation 1 equation 2