Determine if (6,-10) is a solution for the system of equations. -2x - 5y = -10

4x + 2y = -28

The sum of the reciprocal of a positive number and the reciprocal of 2 more than the number is 3/4 equation: the number is

What is the range of the relation in the table below? x y –2 0 –1 2 0 4 1 2 2 0

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).