Find the area.

A. 22 m2
B. 60.5 m2
C. 44 m2
D. 121 m2


Answer: D

Mathematics

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Evaluate the integral.

A. tan35t - tan 5t + t + C
B. tan35t - tan 5t + t + C
C. - tan35t + tan 5t + C
D. tan35t - tan25t +  tan 5t + t + C

Mathematics

Solve the problem.The table below shows the result of a polygraph test conducted on 2000 college students. Students were asked whether they had ever cheated on a test. All of them denied having cheated. Use the table to answer the question.   What percentage of those that were telling the truth were found to be lying?

A. 71.4% B. 89% C. 11% D. 13.4%

Mathematics

Consider the data in the following table regarding the median age of men at their first marriage in the U.S. (U.S. Bureau of the Census.)


(a) Find the regression line y = mx + b .
(b) Use the regression line to predict the median age of men at their first marriage in 2020.

Mathematics

Provide an appropriate response.Solving for which variable in which equation involves the least amount of work?7x = 49x - 8y = 63

A. y in equation 1 B. y in equation 2 C. x in equation 1 D. x in equation 2

Mathematics