Multiply.(x - 1.9)(x + 3.3)

A. x2 - 1.4x - 6.27
B. x2 + 5.2x - 6.27
C. x2 + 1.4x - 6.27
D. x2 - 5.2x - 6.27

Answer: C

Mathematics

Provide an appropriate response.The triangles in the figure are similar. Find the length of the side marked with an x.

A. 9 m B. 4 m C. 6 m D. 3 m

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Mathematics

Find a rectangular equation for the plane curve defined by the parametric equations.x = 5 cos t, y = -2 sin t; 0 ? t ? 2?

A. 4x² + 25y² = 1; - ? x ?
B. 4x² - 25y² = 100; x ? 5
C. 4x² - 25y² = 1; x ?
D. 4x² + 25y² = 100; -5 ? x ? 5

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Mathematics

Evaluate.-11 ? 9

A. -99 B. -199 C. -108 D. -990

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Mathematics

Determine the viewing window used.

A.

B.

C.

D.

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Mathematics