Isabel wrote the equation 1/2+1/6=4/6and Jonah wrote 3/6+1/6=4/6 to represent combining the pie pieces. EXPLAIN WHY BOTH EQUATIONS ARE CORRECT ​

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

What is the area of the shaded sector?

Find the value of x. also give me an explanation so i can complete it to other questions as well, : )