What is the value of the expression 9 x to the power of 2 minus 12 x plus 4 when x equal 3 ? A.22
B.49
C.85
D.697

Acircular city park has a sidewalk directly through the middle that is 111 - feet long. if each bag of fertilizer covers 50 square feet, then determine how many bags of fertilizers the parks and recreation department needs to use to cover the circular park. ignore all the sidewalks around and through the park.

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

Can someone me and do the problem plz so i can understand it more better