Brainliest if you get them right!

3(10x-y)-5(x-y^2) need this solved asap

Find the zeros of the function. write the smaller solution first, and the larger solution second f(x)= (x+6)^2-49

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