Help ASAP please hm

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

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12

What percent of $1.00 are a nickel and a dime?