You are riding a roller coaster when a shoe falls off your foot. The function y 250 - 16t represents the height y (in feet) of the shoe t seconds after it falls off your foot. The shoe lands on the top of a 25-foot-tall building. After how many seconds does the shoe hit the building? The shoe hits the building after seconds E

Use a calculator to verify that σ(x) = 62, σ(x2) = 1034, σ(y) = 644, σ(y2) = 93,438, and σ(x y) = 9,622. compute r. (enter a number. round your answer to three decimal places.) as x increases from 3 to 22 months, does the value of r imply that y should tend to increase or decrease? explain your answer. given our value of r, y should tend to increase as x increases. given our value of r, we can not draw any conclusions for the behavior of y as x increases. given our value of r, y should tend to remain constant as x increases. given our value of r, y should tend to decrease as x increases.