Find the angle between u and v in radians.u = 8i - 4j - 9k, v = 8i + 4j - 2k
A. 0.60
B. 1.30
C. 0.97
D. 1.57
Answer: C
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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 72 in. and weight is 74 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. 19.39 mg to 23.27 mg B. 7.63 mg to 9.16 mg C. 193.89 mg to 232.66 mg D. 12.17 mg to 14.6 mg
Determine whether or not the first polynomial is a factor of the second.(x + 9); x3 + 6x2 + 5x - 12
A. No B. Yes
Graph the equation.y = - 
A. 
B. 
C. 
D. 
The function given by y = 0.03x2 + 245.50, 0 < x< 100 approximates the exhaust temperature y in degrees Fahrenheit, x where is the percent load for a diesel engine. Find the inverse function. ?
A. 
B. 
C. 
D. 
E. 