The scores on a 30-point multiple-choice exam are given in the following frequency table:
What is the mode of the scores on the exam?
A. 26 and 30
B. 24, 28, and 29
C. 26
D. 23
Answer: D
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Use the graph to estimate the specified limit.Find 
f(x)
A. 0 B. 3 C. -3 D. does not exist
A reflector for a satellite dish is parabolic in cross section, with the receiver at the focus F. The reflector is 3 ft deep and 40 ft wide from rim to rim (see the figure). How far is the receiver from the vertex of the parabolic reflector? 
?
?
Round to the nearest foot, if necessary. Enter your answer as a number without the units.
Fill in the blank(s) with the appropriate word(s).
A die is rolled five times and the number of twos that come up is tallied. Find the probability of getting the indicated result.Two comes up five times.
A. .0050 B. .0010 C. .1161 D. .0001
Solve the problem. Use 3.14 as the approximate value of ?. Round to the nearest hundredth if necessary.A sphere has a 3 m diameter. What is its volume?
A. 9.42 m3 B. 14.13 m3 C. 113.04 m3 D. 7.95 m3