Add or subtract as indicated. Simplify, if necessary.
+ 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Factor completely, or state that the polynomial is prime.x2y - 9y + 45 - 5x2
A. (y - 5)(x2 + 9) B. (y + 5)(x + 3)(x - 3) C. prime D. (y - 5)(x + 3)(x - 3)
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Find the probability of the event.A die is rolled 18 times and two threes come up.
A. 0.230 B. 0.099 C. 0.160 D. 0.060
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Find the center (h, k) and radius r of the circle with the given equation. (x - 10)2 + y2 = 100
A. (h, k) = (0, 10); r = 100 B. (h, k) = (10, 0); r = 10 C. (h, k) = (10, 0); r = 100 D. (h, k) = (0, 10); r = 10
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Find the real number solution set of the equation or inequality shown below the graph. y = f(x)
f(x) = 0
A. (-?, 5) ? (5, ?) B. (-?, ?) C. ? D. (-?, 3) ? (3, ?)
Mathematics