Does y=2x +8 represent a proportional relationship?

Solve the following simultaneous equation by using an algebraic method (either substitution or elimination) 2x + 3y=-4 4x-y=11

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with

Consider the triangle. which shows the order of the angles from smallest to largest? angle a, angle b, angle c angle b, angle a, angle c angle b, angle c, angle a angle c, angle a, angle b