A picture that measures 10 cm long is reduced on a copy machine to 4 cm long. If the width of the original picture is 6 cm, what is the width of the reduced picture? Set up a proportion to solve this problem?

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x

Precalculus question, image attached.

Three people are traveling and need to exchange the currency of their native country for the currency of the country they are visiting. drag each exchange to the category that shows the ratio of currencies in that exchange.