Marisol plans to make 9 mini-sandwiches for every 2 people attending her party. write a ratio that is equivlent to marisol's ratio.

Asphere has a diameter of 10 in. what is the volume of the sphere?

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?

Which of the following are accepted without proof in a logical system? check all that apply.