Find the pivot in the tableau. 
A. 2 in row 1, column 3
B. 1 in row 1, column 1
C. 2 in row 3, column 1
D. 1 in row 2, column 5
Answer: B
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Solve the equation and check the solution.-0.25(60) = 0.4x - 0.3(60 + x)
A. x = 15 B. x = 40 C. x = 30 D. x = 20
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.tan ? = 3, ? < ? < 
Find tan 
.
A. 
B. 
C. 
D. 
Solve the problem.From a balloon 1037 feet high, the angle of depression to the ranger headquarters is 
How far is the headquarters from a point on the ground directly below the balloon (to the nearest foot)?
A. 621 ft B. 626 ft C. 636 ft D. 631 ft
Find the requested function value for the given function. Round the answer to the nearest tenth when necessary.If f(x) = 
, find the value of f(4).
A. 18 B. 16 C. 4 D. 4.5