Special right triangle 30-60-90 degrees lesson 3 homework

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

The rectangle shown has a perimeter of 108 cm and the given area. its length is 6 more than five times its width. write and solve a system of equations to find the dimensions of the rectangle.

Susie wants to take her friend out for lunch.she wants to spend $9.75 each person. how much will she spend in all.