Solve the problem.The concentration of a certain drug in the bloodstream x hr after being administered is approximately 
Use the differential to approximate the change in concentration as x changes from 1 to 1.45.
A. 0.29
B. 0.62
C. 0.19
D. 0.30
Answer: C
Mathematics
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Evaluate the given binomial coefficient.
A. 
B. 6
C. 1
D. 6!
Mathematics
Perform the indicated operation. Express your answer in simplest form.
- 
A. 
B. 
C. 
D. 
Mathematics
The lengths of the legs of a right triangle are given. Find the hypotenuse.a = 4, b = 3
A. 7 B. 25 C. 2 D. 5
Mathematics
Add. Simplify, if possible.-17.15 + 13.62
A. 30.77 B. -3.53 C. 3.53 D. -30.77
Mathematics