The Pirouette Dance Team needs more than $300 to cover costume expenses. They have $75 and plan to sell raffle tickets for $5 each in order to raise money.
Which inequality represents the situation where r is the number of raffle tickets the team needs to sell?

Solve the system by the elimination method. x + y - 6 = 0 x - y - 8 = 0 when you eliminate y , what is the resulting equation? 2x = -14 2x = 14 -2x = 14

For a function f(x), a) if f(7) = 22 then f^-1(22) = b) f^-1(f(c)) =

The stem-and-leaf plot shows the heights in centimeters of teddy bear sunflowers grown in two different types of soil. soil a soil b 5 9 5 2 1 1 6 3 9 5 1 0 7 0 2 3 6 7 8 2 1 8 3 0 9 key: 9|6 means 69 key: 5|8 means 58 calculate the mean of each data set. calculate the mean absolute deviation (mad) of each data set. which set is more variable? how do you know?