Solve the problem.Under certain conditions the wind speed S, in miles per hour, of a tornado at a distance d from its center can be approximated by the function 
where a is an atmospheric constant, and V is the approximate volume of the tornado, in cubic feet. Assume that a is 0.78, and find SV.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find the limit, if it exists.
A. 0 B. 5 C. Does not exist D. -8
Mathematics
Find all the roots of the complex number. Put answers in standard form.Square roots of 4 + 4
j
A. 
- 
j, - 
+ 
j
B. - 
- 
j, 
- 
j
C. 
+ 
j, - 
- 
j
D. 
+ 
j, - 
- 
j
Mathematics
Perform the computation.-20 + (-11)
A. -9 B. 31 C. -31 D. 9
Mathematics
Use an equation to solve the percent problem.316.8 is what percent of 44?
A. 13.89% B. 720% C. 1.39% D. 7.2%
Mathematics