The value of y varies directly with x, and y = 15 when x = 9. What is the value of x if y = 20?

You are remodeling your kitchen. you’ve contacted two tiling companies who gladly told you how long it took their workers to tile of a similar size jim completed half the floor in 8 hours. pete completed half of the other floor in 7 hours. if pete can lay 20 more tiles per hour than jim, at what rate can jim lay tiles

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

Aquadrilateral has exactly one pair of parallel sides. which name best describes the figure?