To practice catching the little league team uses a baseball throwing machine. The pathway of the ball from the machine ca be represented by the equation h=-16t^2+48t+4 (where t is the time in seconds and h is the height in feet). a) When does the baseball reach its maximum height?
b)What is the maximum height of the baseball?
c)How long is the baseball in the air before it lands on the ground?

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?

Exclude leap years from the following calculations. (a) compute the probability that a randomly selected person does not have a birthday on october 4. (type an integer or a decimal rounded to three decimal places as needed.) (b) compute the probability that a randomly selected person does not have a birthday on the 1st day of a month. (type an integer or a decimal rounded to three decimal places as needed.) (c) compute the probability that a randomly selected person does not have a birthday on the 30th day of a month. (type an integer or a decimal rounded to three decimal places as needed.) (d) compute the probability that a randomly selected person was not born in january. (type an integer or a decimal rounded to three decimal places as needed.)