Subtract.13 - (-4)
A. -17
B. 9
C. -9
D. 17
Answer: D
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For an arc length s, area of sector A, and a central angle ? of a circle of radius r, find the indicated quantity.r = 10 cm, s = 25 cm, find ? in radian measure
A. 2.5? B. 250 C. 2.5 D. 250?
Find the indicated measure of central tendency.A meteorologist records the number of clear days in a given year in each of 21 different U.S. cities. The results are shown below. Find the midrange.721435284100981011209912186605971125130104748355169
A. 117 B. 110.5 C. 112 D. 98
Write the standard form of the equation of the circle with the given center and radius.Center (0, -8), r = 
A. (x - 8)2 + y2 = 9 B. x2 + (y + 8)2 = 3 C. (x + 8)2 + y2 = 9 D. x2 + (y - 8)2 = 3
Use the addition property of equality to solve the equation.10v = 19 + 9v
A. 20 B. -19 C. 19 D. 28