Solve the problem.The highway speeds of 100 cars are summarized in the frequency distribution below. Find the grouped mean rounded to the nearest tenth of a mile per hour. 
A. 60.8 mph
B. 54.5 mph
C. 58.1 mph
D. 55.3 mph
Answer: D
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Classify the statement as an example of theoretical or experimental probability.The probability that it will rain on Christmas Day in Steve's home town is 0.17.
A. experimental B. theoretical
Solve the system of equations graphically using a graphing calculator. Find all values to the nearest hundredth.3x2 + 4y2 = 15x2 + y2 = 4
A. x = 1.00, y = 1.73; x = -1.00, y = 1.73 B. x = 1.73, y = 1.00; x = 1.73, y = -1.00; x = -1.73, y = 1.00; x = -1.73, y = -1.00 C. x = 1.00, y = 1.73; x = 1.00, y = -1.73; x = -1.00, y = 1.73; x = -1.00, y = -1.73 D. No solution
Evaluate 
for the given x and function f.f(x) = 2
for x = 4
A. 2
B. 4
C. 
D. Does not exist
Find the volume of the solid. Round to two decimal places when necessary.Right prism
A. 16,928 in3 B. 2944 in3 C. 368 in3 D. 46 in3