Jill arranged all of her baseball cards in a 4 rows of 9 cards. the she arranged the cards in 2 rows of 18 cards. how many other ways can jill arrange all of her baseball cards in equal rows?

Which of those sequences is a geometric sequence

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

Multiply and simplify. 2x2y3z2 · 4xy4x2 how to do?