Identify the pairs of complementary or supplementary angles, as indicated.Complementary
A. ?FBE & ?EBD; ?ABF & ?CBD
B. ?CBE & ?EBA
C. ?CBD & ?DBE; ?ABF & ?FBE
D. ?ABF & ?FBE
Answer: C
Mathematics
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Find the real or imaginary solutions by using the quadratic formula.x2 - x = 12
A. {1, 12} B. {-3, -4} C. {3, 4} D. {-3, 4}
Mathematics
Complete the square and write the equation in standard form. Then give the center and radius of the circle.x2 + 18x + 81 + y2 - 8y + 16 = 81
A. (x + 9)2 + (y - 4)2 = 81 (9, -4), r = 81 B. (x - 4)2 + (y + 9)2 = 81 (4, -9), r = 9 C. (x - 4)2 + (y + 9)2 = 81 (-4, 9), r = 81 D. (x + 9)2 + (y - 4)2 = 81 (-9, 4), r = 9
Mathematics
Factor the GCF from the polynomial.x(y + 5) + 8(y +5)
A. (y +5)(x + 8) B. (xy + 5x) + (8y + 40) C. 5y(x + 8) D. 8x(y +5)
Mathematics