A baseball is hit by a batter. The following function describes the height of the baseball as a function of time (t seconds after the ball was struck):
h = -16t^2 +48t+ 2
How many seconds after the ball was struck did it reach a maximum height?
a.
t-1 sec
b. t = 1.5 sec
c. 1-2 sec
d. t - 2.5 sec

Δabc is dilated by a scale factor of 3 with the origin as the center of dilation to form δa′b′c′. the slope of is -1.2. the length of is p units, the length of is q units, and the length of is r units. the slope of is . the length of is units.

Factor the polynomial. b^2 + 4b + 4

The weekly amount spent by a company for travel has an approximately normal distribution with mean = $550 and standard deviation = $40. a) what is the probability that the actual weekly expense will exceed $570 for more than 20 weeks during the next year? (note: one year = 52 weeks) b) what is the probability that actual weekly expenses exceed $580 for 10 or more, but 16 or fewer weeks during the next year?