Multiply. Simplify if possible. ? 

A.
B.  
C. 16z
D.  


Answer: C

Mathematics

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Answer the question.In a study to determine the average weight of a house cat, which of the following is the most representative sample?

A. All of the cats that a pet groomer sees in one week B. Some of the cats in each of several neighborhoods C. All of the cats that a veterinarian sees in one week D. All of the cats in your neighborhood

Mathematics

Solve the problem.A certain electronic air cleaner is capable of filtering x liters of air per second and the percentage of the contaminants that are removed from the air may be calculated by  where  Graph f in [0,85,5] by  Then, use the intersection-of-graphs method to estimate the x-values where 75% to 95% of the pollutants are removed.

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A. 75% to 95% are removed when
about 36 to 47 liters of air are
filtered.

B. 75% to 95% are removed when
about 25 to 33 liters of air are
filtered.

C. 75% to 95% are removed when
about 45 to 56 liters of air are
filtered.

D. 75% to 95% are removed when
about 27 to 36 liters of air are
filtered.

Mathematics

Perform the indicated operations and simplify the result. Leave the answer in factored form. +  - 

A.
B.
C.
D.

Mathematics

Solve. Write the fraction in simplest form.Given the following diagram, find L, its total length.x =  inch, y =  inch, z =  inch

A.  in.
B.  in.
C.  in.
D.  in.

Mathematics