|(a + b)x + y = 4
|x + (a - b)y + 10

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

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

What is the volume of a cone with a height of 6 cm in the radius of 2 cm