Solve the problem.You place a mirror on the ground 100 ft away from a flag pole. You then back up from the mirror until you see the top of the flag pole in the mirror. If the distance from your eyes to the ground is 
and you are standing 12 ft from the mirror, how tall is the flag pole to the nearest foot?
A. 42 ft
B. 20 ft
C. 240 ft
D. 8 ft
Answer: A
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A discrete probability distribution for a random variable X is given. Use the given distribution to find the requested information.Find E(X).
A. 2.00 B. 0.80 C. 0.70 D. 1.21
Graph the function. Describe its position relative to the graph of the indicated basic function.f(x) = ln x - 2; relative to f(x) = ln x
A. Moved right 2 units
B. Moved down 2 units
C. Moved down 2 units
D. Moved up 2 units
Write the equation in standard form. Then identify the vertex of the parabola.x = y2 - 7y - 2
A. x = 
2 - 
; 
B. x = 
2 - 
; 
C. x = 
2 - 
; 
D. x = 
2 - 2; 
Solve the problem.The following data is exactly linear. Find a linear function that models the data, and use the function to solve the inequality f(x) > 
.
A. x < 2
B. x > 
C. x > 
D. x > - 