What algebraic expression must be subtracted from the sum of y^2 + 5y -1 and 3y^2-2y+4 to give 2y^2+7y-2 as the result

50 plz, given the system of equations, match the following items. x + 3 y = 5 x - 3 y = -1 a) x-determinant b) y-determinant c) system determinant match the following to the pictures below.

]supplementary angles are two angles that add up to . • complementary angles are two angles that add up to degrees. • adjacent angles share a and a • congruent angles have the measure. • an triangle has one angle that is greater than 90 degrees. • a triangle with angles 45°, 45°, and 90° would be a triangle

£100.80 divided by 14 equals 7.2 how would we put this as money