HELP!

2. Can two sets of data have the same mean, but not the same variance?

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.

What is the equation of a vertical line passing through the point (−5, −1)? y = −5 y = −1 x = −5 x = −1

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r