Evaluate the expression.
-2/3
A. - 
B. 
C. 
D. 
Answer: B
Mathematics
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Prove that the equation is an identity.tan x csc x = csc x
What will be an ideal response?
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Solve the problem.The area of a trapezoid is 72 square feet. If its two bases are 7 and 11 feet, find its height. 
A. 4 ft B. 1.5 ft C. 16 ft D. 8 ft
Mathematics
Graph the function as a solid curve and its inverse as a dashed curve.f(x) = 1 - x2 for x ? 0
A. 
B. 
C. 
D. 
Mathematics
Use a graphing calculator to approximate all real solutions of the equation.y = x4 + 6x3 + 7x2 - 6x - 8
A. -4, -2, 1, 1 B. -1, 1, 2, 4 C. -2, -1, 1, 4 D. -4, -2, -1, 1
Mathematics