Classify the statement as true or false.9 ? {x 
x is an even number}
A. True
B. False
Answer: B
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Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the 
. y = 9cos ?x, y = 0, x = -0.5, x = 0.5
A. 
?
B. 162?
C. 27?
D. 81?
Find the real solutions for the given quadratic equation. Round results to two decimal places.5.2x2 + 2.9x + 9.5 = 0
A. 
B. 
C. No real solutions
D. 
Divide and write the answer in simplest form.
÷ 
A. - 
B. 
C. - 
D. 
Solve the problem.The Richter Scale measures the magnitude M of an earthquake. An earthquake whose seismographic reading measures x millimeters 100 kilometers from the epicenter has magnitude M given by M(x) = log 
. Give the magnitude of an earthquake that resulted in a seismographic reading of 90,800 millimeters 100 kilometers from its epicenter. Round to the nearest tenth.
A. 8.0 B. 7.0 C. 2.0 D. 9.0