Last week you worked the following hours: monday, 5 wednesday, 6 friday, 4 how many hours did you work in all last week?

The axis of symmetry for the graph of the function f(x)=1/4^2+bx +10 is x=6. what is the value of b?

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

One side of a rectangle is 7 feet shorter than seven times the other side. find the length of the shorter side if we also know that the perimeter of the rectangle is 306 feet.