Graph the linear inequality.x ? -2

A.

B.

C.

D.


Answer: D

Mathematics

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Rewrite the expression in terms of exponentials and simplify the results.cosh 2x - sinh 2x

A. e-2x B. e2x - e-2x C. -2x D. 2e-2x

Mathematics

Solve the problem.Scores on a certain test have been found to be distributed normally with a mean of 73 and a standard deviation of 14. What is the standard error in the standard deviation for all samples of 195 test scores?

A. 0.709 B. 0.036 C. 1.003 D. 3.696

Mathematics

Find the exact value of the expression.sin 20° cos 100° + cos 20° sin 100°

A.
B.
C. - 
D. - 

Mathematics

Add or subtract. Express the answer as a mixed number.

A. 5
B. 6
C. 4
D. 5

Mathematics