Perform the indicated operation.6z - (20 - 2z)
A. 4z - 20
B. 8z - 20
C. 8z + 20
D. 4z + 20
Answer: B
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The concentration C, in milligrams per deciliter, of a drug in the bloodstream t hours after injection is given by the following table. Use an exponential model for these data to determine the initial concentration of the drug in the bloodstream. Round your answer to two decimal places. t 1 2 3 4 C 33.93 30.20 26.88 23.92?
A. 33.98 milligrams per deciliter B. 38.12 milligrams per deciliter C. 38.18 milligrams per deciliter D. 33.93 milligrams per deciliter
Write the expression in standard form.
A. - 
+ 
i
B. 
- 
i
C. - 
- 
i
D. 
- 
i
Convert the mass as indicated.832 milligrams to kilograms
A. 0.000832 kg B. 832,000 kg C. 83,200 kg D. 0.0832 kg
Find sec ? if 
and ? terminates in QIII.
?
A. 
B. 
C. 
D. 
E. 