find the coordinates of the other endpoint of the segment of one endpoint is (-2,-7) and midpoint is (6,-10)

If f(x)=2x+2and g(x)=x^3, what is (g•f)(2)

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels

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.