Mr. Fausto drops a snowball from the top of a building, 111 feet above
the ground.
The expression to represent the height of the snowball is – 16t2 + 111,
where t is the number of seconds after the snowball is dropped.
The equation 0 = -16t2 + 111 represents when the snowball hit the
ground.
Find the value of t, rounded to the nearest tenth.
ſhow many seconds it took for the snowball to hit the ground).

Use the distance formula to find the distance between (-3,5) and (3,1)

Aconcession manager at yankee stadium wants to know how temperature affects beer sales. she took a sample of 10 games and recorded the number of beers sold and the temperature in the middle of the game. temperature 80 68 78 79 87 74 86 92 77 84 number of beers 20533 1439 13829 21286 30985 17187 30240 87596 9610 28742 a. draw a scatter plot of the data. b. the manager estimates the regression equation to be: numberofbeers = −100, 678 + 1, 513 ∗ temperature draw this on your scatter plot. c. for one of the estimated points, indicate the residual with ei . d. for that same point, indicate what part of the variation is explained by the model with ˆyi − y¯.

How does percent markup and percent discount relate to percent of change?