Multiply using FOIL. Assume all variables have nonnegative values.(
+ 7)(
- 1)
A. 10
+ 6
+ 7
B. 
+ 6
- 7
C. 10
+ 6
- 7
D. 10
+ 8
- 7
Answer: C
Mathematics
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A series of BUN measurements was done and the standard deviation was determined to be 1.24mg/dL with a mean average of 18.4 mg/dL. What is the coefficient of variation for this set of measurements?
A. 6.74mg/dL B. 0.0674 C. 6.74% D. 6.74%
Mathematics
Solve the problem.If the density of a substance is 1.17 × 10-6 tons per cubic foot, what would be the mass of 3.51 × 10-6 cubic feet of this substance. (Use the formula D = 
and round to the nearest hundredth, if necessary.)
A. 0.41 × 10-12 tons B. 4.11 × 10-13 tons C. 4.11 × 10-11 tons D. 4.11 × 10-12 tons
Mathematics
Simplify, if possible.
A. 
B. 
C. 
D. 
Mathematics
Find dy for the given values of x and ?x.y = 2x + 3; x = 18, ?x = 0.5
A. 5 B. 1 C. 0.1 D. 0.5
Mathematics