Simplify the rational expression. If the expression is already in simplest form, state this as your answer.
A. 
B. a - 4
C. 
D. a + 4
Answer: D
Mathematics
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Find the mean of the list of data.42, 64, 48, 38, 84, 53, 98, 109
A. 66 B. 65 C. 68 D. 67 E. 69
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Sketch the vector field in the plane along with its horizontal and vertical components at a representative assortment of points on the circle x2 + y2 = 4.F = -xi - yj
What will be an ideal response?
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Graph the function.f(x) = 3-x
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.
(x + 6) = 
(x + 8)
A. -12 B. {3} C. 2 D. -2
Mathematics