Use substitution to solve the
following system of equations.
- 2x + 4y = -18AND x = y + 3

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180

Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial

Which equation represents the function on the graph?