The students in a club are selling flowerpots to raise money. Each flowerpot sells for $15.

Part A

Write an expression that represents the total amount of money, in dollars, the students raise from selling x flowerpots.

Enter your expression in the space provided. Enter only your expression.

Part B

The goal of the students in the club was to raise $500. They sold 43 flowerpots. By what amount did the students exceed their goal of raising $500? Show or explain all your work.

Enter your answer and your work or explanation in the space provided.

The function ƒ is defined by ƒ(x) = (x + 3)(x + 1). the graph of ƒ in the xy-plane is a parabola. which interval contains the x-coordinate of the vertex of the graph of ƒ?

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.

For the inequality |c| < |d| to be true, which of the following must be true?