What is slope and y-intercect of a vertical line? (that's all to the question)

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

Reinel saves 30% of every pay check. his paycheck last week was 560$. how much did reniel save last week?

Two consecutive negative integers have a product of 30. what are the integers?