Suppose the angle formed by the line y = 4x and the positive x-axis is ?. Find the tangent of ?.
?
?
A. ?
B. 4
C. 5
D. -4
E. 
Answer: B
Mathematics
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Simplify the expression.e-ln x8
A. 
B. 
C. -x8
D. 8
Mathematics
Solve the problem.At a track meet, Russell ran the first heat of the 100-yd dash in 14.5 sec, Sergy in 14.8 sec, and Omar in 15.2 sec. In the second heat, they got 14.3 sec, 14.4 sec, and 14.7 sec. Write a 1 x 3 matrix giving the changes in times. If the changes repeat, who will win?
A. 
, Omar
B.
[0.2 0.4 0.5], Sergy
C.
[-0.2 -0.4 -0.5], Sergy
D.
[-0.2 -0.4 -0.5], Russell
Mathematics
Provide an appropriate response.Solve the rational inequality: 
> 0
A. 0 < x < 5 B. x < 0 or x > 5 C. x < -5 or x > 0 D. x = 0 or x = 5
Mathematics
Write as a decimal.70.4%
A. 0.594 B. 0.0704 C. 7.04 D. 0.704
Mathematics