Solve the problem.When air friction is considered, the time t (in s) it takes a certain falling object to attain a velocity v (in ft/s) is given by 
Find an expression for dt/dv in terms of v.
A. 5 ln 
B. 
C. 
D. 
Answer: D
Mathematics
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Simplify the expression.
?
What will be an ideal response?
Mathematics
Find the length of the third side of the right triangle. Where appropriate, give both an exact answer and an approximation to three decimal places. 
A. 
? 1.280
B. 
? 7.211
C. 
? 1.639
D. 
? 2.685
Mathematics
Subtract.-17 - (-17)
A. 0 B. 34 C. -289 D. -34
Mathematics
The regression model for the data shown in the table is y = 2.3x + 3.9.
 figure 1.png)
Plot the data and the model on the same axes.
Mathematics