Find the median of the set of data.10, 5, 24, 18, 21, 50, 32, 31
A. 21
B. 23.5
C. 22.5
D. 24
Answer: C
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Choose the first set in the list natural numbers, whole numbers, integers, rational numbers, and real numbers that describes the following number.-3?
A. Real numbers B. Whole numbers C. Integers D. Rational numbers
Simplify.
A. 17
B. 
C. Not real number
D. 
Eliminate the parameter to find a description of the circle or circular arc in terms of x and y.x = 2 cos t, y = 2 sin t; -? ? t ? ?
A. x2 + y2 = 2; The curve is a circle with center (0, 0) and radius 2; the curve begins at (-4, 0) and is oriented counterclockwise, ending at (-4, 0). B. x2 + y2 = 4; The curve is a circle with center (0, 0) and 2 in Quadrants III and IV; the circular arc begins at (-2, 0) and is oriented counterclockwise, ending at (2, 0). C. x2 + y2 = 4; The curve is a circle with center (0, 0) and radius 2; the curve begins at (-4, 0) and is oriented counterclockwise, ending at (-4, 0). D. x2 + y2 = 4; The curve is a circle with center (0, 0) and radius 2; the curve begins at (-4, 0) and is oriented clockwise, ending at (-4, 0).
Graph the system of linear inequalities in two variables.
A. 
B. 
C. 
D. 