Solve the application.Erika spent  hour on her computer visiting the history channel and the discovery channel websites. She spent  hour at the history channel website. How many hours did she spend at the discovery channel website?

A.  hour
B.  hour
C.  hour
D.  hour


Answer: A

Mathematics

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Translate the phrase to an algebraic expression. Use "x" to represent "a number". Multiply 9 by a number

A. 9 ? x
B. 9 + x
C. 9 
D. 9x ?  

Mathematics

Solve the problem.For what positive numbers will the cube of a number exceed 8 times its square?

A. x|0 < x < 8} B. x|0 < x < 64} C. x|x > 64} D. {x|x > 8}

Mathematics

Find the partial fraction decomposition for the rational expression.

A. -  - 
B. -  - 
C. -  - 
D.  + 

Mathematics

Find the indicated sum.

A. 15 B. 75 C. 20 D. 90

Mathematics