The total length of a road trip was 16.1 hours. if highway signs are posted every 0.7 hours, including one at the end of the road trip, how many highway signs will there be on the road trip?

All per-unit concepts rely on ratios,meaning,to provide a type of measurement

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?

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?