Find the indicated trigonometric function, given that ? is an angle in standard position with the terminal side passing through the given point.(8, 3); Find cot ?.
A. 
B. 
C. 
D. 
Answer: A
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Solve the problem.Estimate the area of the surface generated by revolving the curve y = 2x2, 0 ? x ? 3 about the x-axis.Use Simpson's Rule with n = 6.
A. 1024.885 B. 996.028 C. 1007.254 D. 1021.107
Solve the problem using your calculator.The paired data below consist of the costs of advertising (in thousands of dollars) and the number of products sold (in thousands). Use linear regression to find a linear function that predicts the number of products sold as a function of the cost of advertising.
A. y = -26.4 - 1.42x B. y = 55.8 - 2.79x C. y = 26.4 + 1.42x D. y = 55.8 + 2.79x
In a batch of 13 tires, 3 are known to be defective. If 4 tires are chosen at random, find the probability that all 4 tires are good. ?
A. 
B. 
?
C. ?
D. ?
E. ?
Evaluate.-0.9 - (-14.7) - (-7.5)
A. 21.3 B. -23.1 C. -8.1 D. -21.3