Simplify by combining like terms.7.1 - 6.8x - 11.6x + 9.0

A. -2.3x
B. -18.4x + 16.1
C. -19.4x + 16.1
D. -18.4x - 1.9


Answer: B

Mathematics

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A. x = 3t, y = 2t, z = -4t B. x = -3t - 3, y = -2t - 2, z = 4t + 4 C. x = -3t + 3, y = -2t + 2, z = 4t - 4 D. x = -3t, y = -2t, z = 4t

Mathematics

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Use the unit circle to find the value of the trigonometric function.tan 

A.
B.
C.
D. 2

Mathematics

Which equation matches the given calculator-generated graph and description? Decide without using your calculator.No points on its graph

A. x2 + y2 = 6 B. x2 + y2 = -36 C. y = x2 D. x2 + y2 = 36

Mathematics