Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.

A. y = 54
B. y = 55.3
C. y = 3x + 50
D. y = 2.5x + 50.4


Answer: D

Mathematics

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Evaluate the integral by using a substitution prior to integration by parts.

A. x 2 + 2x  - 2x + C
B. x 2 - 2x   + C
C. x 2 - 2x  + 2x + C
D. x 2 - x  + x + C

Mathematics

Solve the problem. Round to the nearest hundredth of a percent if needed.Use of the internet for shopping is increasing dramatically, but still is somewhat age dependent. When a popular web site that sells books asked the age of users who bought products from them over the internet, they obtained the following data. What is the probability that a buyer on this web site is aged 

A. 2.95% B. 4.41% C. 2.86% D. 4.45%

Mathematics

Solve the inequality. Graph the solution set and write it in interval notation. > 3

A.

B.

C.

D.

Mathematics

Supply the missing numbers. Round any decimal to the nearest thousandth and percent to the nearest tenth of a percent if necessary.fractiondecimalpercent?34%

A.

?; 0.34

B.
3.4

C.
?; 3.4

D.
?; 0.34

Mathematics