The figure shows the results of a recent survey in which 1011 adults were asked to grade U.S. public schools. An adult is selected at random. What is the probability that the adult will give the U.S. public schools an A? (
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)
?
?
A. 
B. 
C. 
D. 
E. 100
Answer: B
Mathematics
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Find the volume by double integration.A design for a storage shed has a rectangular base. A cross section of the roof and sides is a parabola of the form 
The base has dimensions 4 m by 9 m.
A. 96 m3 B. 163 m3 C. 24 m3 D. 192 m3
Mathematics
Solve the problem.A pendulum bob swings 6.0 cm on its first oscillation. On each subsequent oscillation the bob travels 
of the previous distance. Find the total distance the bob travels before coming to rest.
A. 30.0 cm B. 31.0 cm C. 33.3 cm D. 18.0 cm
Mathematics
Use a double integral to find the volume of the solid shown in the figure.
?
?
A. 12 B. 96 C. 64 D. 256 E. 384
Mathematics
Simplify. (Assume all variables are nonzero.)
3
A. 
B. 
C. 
D. 
Mathematics