Find the difference.  -  

A. - 
B.
C. - 
D.


Answer: D

Mathematics

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Rewrite the statement so the inequality symbol points in the opposite direction and the new statement has the same meaning as the original.-9 < -8

A. -9 ? -8 B. -8 > -9 C. -8 < -9 D. -9 > -8

Mathematics

Use a proportion to solve the problem. Round to the nearest tenth if necessary.Find the height of the building. Assume that the height of the person is 

A. 338 ft B. 70 ft C. 50 ft D. 26 ft

Mathematics

Write as a percent.0.9

A. 0.9% B. 900% C. 0.09% D. 90%

Mathematics

A drug is carried into an organ of volume cm3 by a liquid that enters the organ at the rate of p cm3/sec and leaves it at the rate of q cm3/sec. The concentration of the drug in the liquid entering the organ is r g/cm3. If the concentration of the drug in the organ at time  is increasing at the rate of

?

?g/cm3/sec, and the concentration of the drug in the organ initially is  g/cm3, find the concentration of the drug in the organ at time .
?

A.
B.
C.
D.

Mathematics