What is the product of −3 1/4 and −1 1/2 ? enter your answer as a mixed number, in simplified form.

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

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?

In a right triangle δabc, the length of leg ac = 5 ft and the hypotenuse ab = 13 ft. find: b the length of the angle bisector of angle ∠a.