Solve the problem.Chuck and Dana agree to meet in Chicago for the weekend. Chuck travels 216 miles in the same time that Dana travels 192 miles. If Chuck's rate of travel is 4 mph more than Dana's, and they travel the same length of time, at what speed does Chuck travel?
A. 42 mph
B. 30 mph
C. 32 mph
D. 36 mph
Answer: D
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Find the expected value of the optimal strategy.A backpacker is planning a three-day trip in the backcountry with a friend. She wishes to keep the weight of her pack to a minimum. She has decided to bring either rock climbing shoes or an extra fleece jacket but not both. The fleece jacket will be useful if the weather is cold. The rock climbing shoes will be useful if the weather is warm. In trying to decide which of these two items to bring, the backpacker decides on the utilities shown in the following payoff matrix:WarmColdWeatherWeather
According to the weather forecaster,
the probability of cold weather is 0.4. The backpacker selects the item that will maximize the expected utility. What is the expected utility in this case? A. 14.8 B. 6 C. 17 D. 7.2
A right circular cone has a diameter for its base of length 16 inches and an altitude of 15 inches. Use 
to find the exact lateral area of the cone.
A. 
B. 
C. 
D. None of These
Determine the slope and y-intercept of the line represented by the equation. Graph the line using the slope and y-intercept.y = 
x - 1
A. m = 
, y-intercept is (0, -1)
B. m = 
, y-intercept is (0, 1)
C. m = - 
, y-intercept is (0, -1)
D. m = 
, y-intercept is (0, 0)
Solve the problem.Bob has enough fertilizer to cover 380 ft2 of garden space. How wide is the largest circular garden that Bob can fertilize? Use 3.14 for ?.
A. 15.56 ft B. 31.12 ft C. 11 ft D. 22.00 ft