Solve the problem.The area of a trapezoid is 68 square feet. If the bases are 6 ft and 11 ft, find the height of the trapezoid.
A. 4 ft
B. 16 ft
C. 1.5 ft
D. 8 ft
Answer: D
Mathematics
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Divide.
÷ 
A. - 
B. - 
C. - 
D. -4
Mathematics
Find the value of the expression using the given values.|-2x| - |-6y|x = -2, y = -1
A. -10 B. 10 C. 14 D. -2
Mathematics
Solve the equation by factoring.x2 - 4x - 21 = 0
A. {3, -7} B. {-3, 7} C. {-3, -7} D. {3, 7}
Mathematics
Find the slope of the line tangent to the curve at the given point.y = 14 cot x; x = 
A. -14
B. 56
C. -56
D. 
Mathematics