Melissa bought a cake that cost $75 the sales tax rate is ten percent what is the total amount she paid for the cake

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

I'm confused on this could anyone me and show me what i need to do to solve it.

Analyze the diagram below and complete the instructions that follow. how to find tan