Find the area of the shaded region.
A. 2
B. 2 + 2?
C. ?
D. 2?
Answer: D
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Evaluate the spherical coordinate integral.
A. 
?
B.
 ? |
C.
?D.
?250 students in a math class take the final exam. The scores on the exam have an approximately normal distribution with mean ? = 75 and standard deviation ? = 10.A score of 60 corresponds to a standardized value of
A. -5. B. 5. C. 1.5. D. -1.5. E. none of these
Subtract the polynomials. Express your answer in standard form.(6x2 + 20x + 9) - (3x2 - 20x - 14)
A. 3x2 + 40x + 23 B. 66x11 C. 3x2 + 40x - 5 D. 3x2 + 23x - 5
Solve the problem.On Anne's bicycle, the ratio of pedal turns to rear-wheel turns in second gear is 4 to 7. If her rear wheel turns 756 times per mile, how many times does she turn the pedal in one mile?
A. 1323 times B. 760 times C. 432 times D. 763 times