Find the unknown length in the space figure.Find the distance d. Give an exact answer.
A. 4
B. 2
C. 2
D. 4
Answer: C
Mathematics
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Graph the point symmetric to the given point.Plot the point (9, -6), then plot the point that is symmetric to (9, -6) with respect to the origin.
A. 
B. 
C. 
D. 
Mathematics
Determine the size of the matrix.
A. 4 × 2 B. 2 C. 2 × 4 D. 8
Mathematics
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. 
Mathematics
Find the exact value of s in the given interval that has the given circular function value.
; tan s = - 
A. s = 
B. s = 
C. s = 
D. s = 
Mathematics