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

The height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12

If x varies directly as y, and x = 7.5 when y = 10, find x when y = 4