A golfer hits a golf ball upwards at an angle of 75° with the horizontal. We can ignore air resistance.
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Which graph best describes the golf ball's vertical
displacement over time?
Assume the origin of the coordinate system to be the
point on the ground where the ball was initially at rest.

Find the commission on a $590.00 sale if the commission is 15%.

Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?

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?