Simplify, where possible.24x - 6y + 15 - 9x - 2 - 4y
A. -15x - 10y + 13
B. -15x - 2y + 13
C. 15x - 2y + 13
D. 15x - 10y + 13
Answer: D
Mathematics
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Provide an appropriate response.The curves y = ax2 + b and y = 2x2 + cx have a common tangent line at the point (-1, 0). Find a, b, and c.
A. a - 2, b = 1, c = -1 B. a = 1, b = -1, c = 2 C. a = -1, b = 1, c = -2 D. a = 1, b = 0, c = 2
Mathematics
Solve the right triangle.A = 77° 53', c = 237 m , C = 90°
A. B = 12° 7', a = 231.92 m, b = 56.75 m B. B = 12° 53', a = 232.92 m, b = 42.75 m C. B = 13° -3', a = 231.92 m, b = 49.75 m D. B = 12° 7', a = 231.72 m, b = 49.75 m
Mathematics
Solve using the quadratic formula.x2 + 2x - 120 = 0
A. -12, 10 B. 12, -10 C. -12, 1 D. 12, 10
Mathematics
Combine terms.-8x9 + 7x9 + 9x9
A. 8x27 B. -504x9 C. 8x9 D. -504x27
Mathematics