Mrs. Charming randomly selects names to see who will answer the question. There are 8 boys and 16 girls in her class. What is the probability that she will select a boy's
name?

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 rule describes a dilation with a scale factor of 4 and the center of dilation at the origin?

The half-life of a certain material is 0.004 second. approximately how much of a 20-gram sample will be left after 0.016 second? a. 5 grams b. 16 grams c. 0.32 gram d. 1.25 grams