Blueberries cost $4.00 per pound. For each question, explain or show your reasoning. How many pounds of blueberries can you buy for $1.00?
How many pounds of blueberries can you buy for $13.00?

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?