Mrs. Hugo and Mrs. Thompson left the conference at the same time and headed in opposite directions. After 4 hours, they were 452 miles apart. Of Mrs. Hugo drove 3 mph faster than Mrs. Thompson, how fast did Mrs. Thompson drive?

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?

What is 100,000 times 1/100,000, using the standard method of multiplication? write the answer as 10 to a power.

Jane’s favorite fruit punch consists of pear, pineapple, and plum juices in the ratio 5: 2: 3. how many cups of pear juice should she use to make 20 cups of punch?