Multiply.(3 + 5)2

A. 152 + 15
B. 152 + 30
C. 34 + 30
D. 152


Answer: B

Mathematics

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The concentration of a drug in an organ at any time t (in seconds) is given by     where x(t) is measured in grams/cubic centimeter (g/cm3). ? Select the graph of x. ?

A. ?


B. ?


C. ?


D. ?


E. ?


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Draw the angle in standard position.- 

A.

B.

C.

D.

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Write the ratio 12 feetto 21 yards as a fraction in simplest form. (Hint: 3 feet = 1 yard.) ?

A.
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D.
E.

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