Solve. If necessary, round the answer to two decimal places.log3(x + 3) + log3(x - 3) = 3
A. 7
B. 6
C. 6, -6
D. -6
Answer: B
Mathematics
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Solve the problem.The concentration of a certain drug in the bloodstream x hr after being administered is approximately 
Use the differential to approximate the change in concentration as x changes from 1 to 1.47.
A. 0.64 B. 0.2 C. 0.3 D. 0.29
Mathematics
Find the area of the region specified in polar coordinates.The region enclosed by the curve r = 10 cos 3?
A. 
?
B. 25?
C. 
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D. 50?
Mathematics
Solve the equation and check the solution.-8.8 + 3x - 6.9 + 4x - 2.8 = 5.6 + 8x + 1.4
A. x = -11.5 B. x = 25.5 C. x = 11.5 D. x = -25.5
Mathematics
Use the sample space shown in the figure to find the probability of rolling two dice that add to six.
?
What will be an ideal response?
Mathematics