Body surface area (BSA) is often used to calculate dosages for some drugs. BSA is calculated in square meters using a person's weight and height.BSA = 
Suppose an adult whose height is 70 in. and weight is 68 kg is to receive a drug that has a recommended dosage range of 10-12 mg per square meter. Find the dosage range for this adult. Round to the nearest hundredth, if necessary.
A. 7.21 mg - 8.66 mg
B. 183.26 mg - 219.91 mg
C. 18.33 mg - 21.99 mg
D. 11.5 mg - 13.8 mg
Answer: C
Mathematics
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The position vector of a particle is r(t). Find the requested vector.The velocity at t = 4 for r(t) = (4t2 + 2t + 5)i - 7t3j + (2 - t2)k
A. v(4) = 34i - 336j - 8k B. v(4) = 34i + 336j + 8k C. v(4) = 18i - 112j - 4k D. v(4) = 30i - 336j - 8k
Mathematics
Solve.The manager of a video store recorded the number of video tapes borrowed each day for 12 consecutive days. The results were as follows. What was the median number of video tapes borrowed? 
A. 243 B. 234 C. 252 D. 226.5
Mathematics
Use radical notation to rewrite the expression. Simplify, if possible.2565/4
A. 16,384 B. 1024 C. 65,536 D. 262,144
Mathematics
Solve.-7n + 8 + 5n = -3n + 13
A. 13 B. 5 C. -13 D. -8
Mathematics