Evaluate each expression without using a calculator. Give the result in degrees.tan-1 
A. 240°
B. 60°
C. -120°
D. -60°
Answer: D
Mathematics
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Solve the absolute value equation.
= -6
A. x = - 
B. x = - 
, 
C. no solution
D. x = 
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Find the x- and y-intercepts of the graph of the equation. x = y2 + 3y + 2
A. x-intercept: 2; y-intercepts: -1, -2 B. x-intercepts: 1, 2; y-intercept: -2 C. x-intercept: -2; y-intercepts: 1, 2 D. x-intercepts: -1, -2; y-intercept: 2
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Solve the problem.You have 280 feet of fencing to enclose a rectangular region. Find the dimensions of the rectangle that maximize the enclosed area.
A. 70 ft by 70 ft B. 140 ft by 35 ft C. 140 ft by 140 ft D. 72 ft by 68 ft
Mathematics