Ali and Khamis are solving 4a-5b=7 for b. Is either of them correct ? Explain. PLS I'LL MARK YOU BRAINLIST DIRECTLY !!!

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

Adriver from the university of florida women’s swimming and diving team is competing in the in ncaa zone b championships

What is the measure of the smallest angle in the diagram? 15 29 32 45