What is the solution of the system? 5x - y = -7 3x - y = -2 a) (-2.5, -5.5) b) (-2.5, 11) c) (5, 2.5) d) (2.5, 5.5) 4x +3y = 12 7x + 5y = 26 a) (18, 20) b) (18,-20) c) (-20, 18) d) (20,18)
Aright triangle has an area of 18 square inches. b: if the triangle is not an isosceles triangle, what are all the possible lengths of the legs, if the lengths are whole numbers. answer !