Use the substitution method to solve the system. x - 5y = -389x - 6y = -69
A. (-4, 8)
B. (3, 8)
C. (-3, 7)
D. No solution
Answer: C
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Two sides and an angle are given. First, determine whether the given information results in no triangle, one triangle, or two triangles. Solve each resulting triangle.B = 16°, b = 10.4, a = 12.58
A. no triangle B. one triangle; A = 161°, C = 3°, c = 2 C. one triangle; A = 19°, C = 145°, c = 21.6 D. two triangles; A1 = 19°, C1 = 145°, c1 = 21.6 or A2 = 161°, C2 = 3°, c2 = 2
Find the midpoint of the line segment joining P(2, -3) and Q(5, 4).
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Find the intersection of the two sets.{2, 7, 5, 9} ? {5, 6, 2}
A. {2, 5, 9, 7, 6} B. ? C. {2} D. {2, 5}
Use the Principle of Mathematical Induction to show that the statement is true for all natural numbers n.1 ? 1 + 2 ? 1 + 3 ? 1 + . . . + n = 
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