Help me solve this test :)

Find x to the nearest hundredth place

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

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