Carrie has two lengths of pipes. The first pipe measures 72 inches, and the second measures 56 inches. She wants to cut the pipes into equal lengths. What is the least total number of pipes of equal length she can cut?

How long is each piece?

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

If f(x)=x+7 and g(x)=1/x what is (fog)(x)

Aresearcher believes increased perceived control influence the well-being of residents at a nursing home. to test this , she allowed one group of residents to have control over their daily lies, (where to eat etc) . the other group of 5 residents had these deceisions made by staff. the resident's feelings of well-being were measured on a 10 point scale at the end of a one month trial period. is there a difference on well-being?