Use the graph of data items to find the mean, median, and mode. If needed, round the mean to one decimal place.
A. mean: 35, median: 30.5, mode: 20, 30
B. mean: 34.3, median: 30, mode: 50
C. mean: 34.3, median: 40, mode: no mode
D. mean: 35, median: 30.5, mode: 50
Answer: B
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Solve the problem.Calculate the volume of the parallelepiped with edges a = 
, b = 
, and c = 
.
A. 8 B. 4 C. 20 D. 16
Write the expression as a logarithm of a single expression. Assume that variables represent positive numbers.log27 + log212
A. log284 B. log419 C. log484 D. log219
Evaluate using the change-of-base formula. Round to four decimal places.log3 7
A. 3.5424 B. -1.7712 C. 1.7712 D. 0.5646
A model rocket has upward velocity 
, t seconds after launch. Use a Riemann sum with n = 10 to estimate how high the rocket is 4 seconds after launch.
?
A. 1094.4 feet B. 921.6 feet C. 1478.4 feet D. 1267.2 feet E. 960 feet