Which choice represents the simplified exponential expression?
(7^4)^6

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

Can someone check if i did this correct. it’s number 4 if you’re wondering.

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.