Evaluate the integral.
ln 3x dx
A. 39.22
B. -18.26
C. 49.34
D. 40.23
Answer: A
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Determine whether the variation between the indicated quantities is direct or inverse.The radius of a circle and its area.
A. Direct B. Inverse
Determine if the given polar coordinates represent the same point.(7, ?/4), (7, 5?/4)
A. No B. Yes
Solve the problem.During a department store sale, 30 shoppers bought only clothing, 5 shoppers bought only towels, and 15 shoppers bought both clothing and towels. If 100 people shopped that day and a shopper is chosen at random, what is the probability that the shopper has bought towels?
A. 
B. 
C. 
D. 
Find the approximate equation of the line that passes through the two points. Write the equation in slope-intercept form. Round the slope and the constant term to two decimal places.(2.8, 5.7) and (4.6, 3.1)
A. y = 1.44x + 1.66 B. y = 2.04x + 0.67 C. y = -0.69x + 7.64 D. y = -1.44x + 9.74