The Drama Club plans to take and sell pictures at homecoming to raise funds for an upcoming play. They paid $25 to rent lighting equipment, and they will pay $2.55 for every picture that they print. If they sell the pictures for $10 each, how many pictures do they need to sell to make a profit?

On saturday a souvenir shop had 125 customers.sixty four percent of the costumers paid with a credit card. how many costumers paid with cash?

An automobile assembly line operation has a scheduled mean completion time, μ, of 12 minutes. the standard deviation of completion times is 1.6 minutes. it is claimed that, under new management, the mean completion time has decreased. to test this claim, a random sample of 33 completion times under new management was taken. the sample had a mean of 11.2 minutes. assume that the population is normally distributed. can we support, at the 0.05 level of significance, the claim that the mean completion time has decreased under new management? assume that the standard deviation of completion times has not changed.

What is the equation of the line that is parallel to the line with the equation y= -3/4x +1 and passes through the point (12,-12)