Find the correlation coefficient.Consider the data points with the following coordinates: 
A. -0.0810
B. -0.7749
C. 0
D. 0.7537
Answer: B
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Evaluate the integral.
A. - 
e-x8 + C
B. - 
e-x7 + C
C. -7e-x8 + C
D. e-x7 + C
Find the simple interest for the given values of P, r, and t. Round to the nearest cent.P = $970, r = 4.5%, t = 6 years
A. $43.65 B. $261.90 C. $436.50 D. $2619.00
Solve the problem.A landscaping company sells 40-pound bags of top soil. The actual weight x of a bag, however, may differ from the advertised weight by as much as 0.75 pound. Write an inequality involving absolute value that expresses the relationship between the actual weight x of a bag and 40 pounds. Solve the inequality, and express the answer in interval form.
A. |40 - x|? 0.75; [39.25, 40.75] B. |x + 0.75| ? 40; [39.25, ?) C. |x|- 40 ? 0.75 ; (-?, 40.75] D. |40 + x| ? 0.75; [39.25, 40.75]
Simplify the expression using the order of operations.4 ? (4 + 5)2 - 2 ? (6 - 4)2
A. 1288 B. 433 C. 316 D. 1280