Solve each system by the equation: 1.-x-5y=-19
y=-6x-2

2.3x+7y=24
y=6

3.-x-6y=-2
y=4x+17

4.-5x+y=-2
-4x+6y=-12

5.2x+y=8
4x-y=-8

6.-6x+4y=2
x+y=-7

Module 10 coordinate proof using slope and distance answers is quadrilateral abcd a parallelogram? explain how you know.

At oaknoll school, 90 out of 270 students on computers. what percent of students at oak knoll school do not own computers? round the nearest tenth of a percent.

Joe has a rectangular chicken coop. the length of the coop is 4 feet less than twice the width. the area of the chicken coop is 510 square feet. what is the length of the chicken coup?