Find the distance between two points given their coordinates.Find the distance between points R and S on a number line, with coordinates 8 and -7, respectively.
A. d(R, S) = 1
B. d(R, S) = -1
C. d(R, S) = -15
D. d(R, S) = 15
Answer: D
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Solve.The sum of a student's three scores is 212. If the first is 12 points more than the second, and the sum of the first two is 32 more than twice the third, what was the first score?
A. 82 B. 48 C. 70 D. 60
Solve the equation
Give all solutions of the nonlinear system of equations, including those with nonreal complex components.x2 + y2 = 1x + y = -1
A. {(0, 1), (1, 0)} B. {(0, 1), (-1, 0)} C. {(0, -1), (-1, 0)} D. {(0, -1), (1, 0)}
Express the data in the graph as ordered pairs, letting the first coordinate represent the year and the second coordinate the amount.Total Advertisement Spending for Soccer Tournament
A. (2003, 152.81), (2004, 155.38), (2005, 157.12), (2006, 158.27), (2007, 160.24), (2008, 162.98) B. (1, 152.81), (2, 155.38), (3, 157.12),( 4, 158.27), (5,160.24), (6, 162.98) C. (2003, 155.38), (2004, 152.81), (2005, 157.12), (2006, 160.24), (2007, 158.27), (2008, 162.98) D. (152.81, 2003), (155.38, 2004), (157.12, 2005), (158.27, 2006), (160.24, 2007), (162.98, 2008)