Simplify the factorial expression.

A. 2n - 1
B. 2n 
C.
D.

Answer: C

Mathematics

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Solve. Then graph. Write the solution set using both set-builder notation and interval notation.a + 3 < -8   

A. {aa ? -11}, (-?, -11]
 
B. {aa ? -11}, [-11, ?)
 
C. {aa > -11}, (-11, ?)
 
D. {aa < -11}, (-?, -11)
 

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Decide whether the statement is true or false.If q is true then the statement (p ? ~q) ? r must be true.

A. True B. False

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Graph the solution set of the system of inequalities.y > -5x ? -3

A.

B.

C.

D.

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Perform the indicated operation(s). Simplify if possible. -  + 

A.
B.
C.
D.

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