PLZ ANSWER Find the area of the following shape. You must show all work to receive credit.

Can someone pls ! pls answer all. no explanation needed..

Olga used 100 ounces of flour to make 225 muffins. how many ounces of flour will be used to make 300 muffins?

If you can solve all of these i will give ! - 4% of 190 - 4% of 162.5 - 4% of 140 - a 4% increase from 155.1 - a 4% increase from 159.8