The population of a town increased from 5,600 to 6,300 people. What was the percent of increase?

A)a square brown tarp has a square green patch green in the corner the side length of the tarp is (x + 8) and the side length of the patch is x what is the area of the brown part of the tarpb)a square red placemat has a gold square in the corner the side length of the gold square is (x - 2) inches with the width of the red region is 4 in what is the area of the red part of the placemat

X=4 / y=100 if x=10 then what is y=?

Me because i don't understand how to do it.: )