Use the order of operations to simplify the expression (2/7)^2 x (7/9)^2

Can i get some on 18,20,& 22? or one of them

On average a herd of elephants travels 10 miles in 12 hours you can use that information to answer different questions drag each expression to show which is answers

Solve the following: 12(x^2–x–1)+13(x^2–x–1)=25(x^2–x–1) 364x–64x=300x