Factor this polynomial. - 2x2 - 7x-3
O A. (-2x + 1)(x + 3)
O B. (2x - 3)(x - 1)
O C. (2x + 1)(x-3)
O D.-1(2x + 1)(x+3)

Atriangle has side lengths of 15 inches and 30 inches. it also has angles that measure 45º and 20º. which of the following identifies the possible third angle of the triangle? a. 15 in., 65º b. 45 in., 65º c. 17 in., 115º d. 14 in., 115º

Sorry guys but as you have a small brain

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).