Make r the subject of the formula: q)18

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

For each proportion find the unknown number x 1/5/8=×/15

What is the frequency of the sinusoidal graph?