Find the perimeter of the polygon.

A. 32 yd
B. 16 yd
C. 12 yd
D. 20 yd


Answer: A

Mathematics

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Solve the problem.Find the foci and asymptotes of the following hyperbola:9y2 - x2 = 9

A. Foci: (0, ), (0, -); Asymptotes: y = x, y = - x
B. Foci: (0, ), (0, -); Asymptotes: y = 3x, y = -3x
C. Foci: (, 0), (-, 0); Asymptotes: y = x, y = - x
D. Foci: (0, 10), (0, -10); Asymptotes: y = 3x, y = -3x

Mathematics

Use the table of values of f to estimate the limit.Let f(x) = x2 + 8x - 2, find f(x).

A.
 ; limit = 5.40
B.
 ; limit = 18.0
C.
 ; limit = ?
D.
 ; limit = 17.70

Mathematics

Solve the system of equations using matrices.4x - y - 2z = -16x + 7y + 7z = 74 -2x - 6y + z = -19

A. (-3, 3, 6) B. (3, 5, 3) C. (3, 3, 5) D. (3, -3, 5)

Mathematics

Express the number in scientific notation.4,200,000,000,000

A. 4.2 × 10-9 B. 4.2 × 109 C. 4.2 × 1012 D. 4.2 × 10-12

Mathematics