Give the values of a, b and c needed to write the equation’s standard form. 2/3 (x-4)(x+5) =1 a) a= 2/3; b=1; c=-20 b) a=2; b=2; c=43 c) a=2; b=2; c=-43

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

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.

If f(x)= 3x+6 which of the following is the inverse of f(x)