If the measure of angle 2 is 100 degrees. What is the measure of angle 8? Why?

What kinds of numbers have an odd number of factors?

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

How do you solve a question like this?