Graph the curve.r2 = 4 cos 2? (lemniscate)

A.

B.

C.

D.

Answer: C

Mathematics

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Solve the inequality .  Restrict your attention to positive values of x. Round your answer to two decimal places. ?

A. ?
B.
C. ?
D. ?

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Find the difference.-2 - 14

A. -16 B. -12 C. 12 D. 16

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Solve.|x| ? 6.9

A. [-6.9, 6.9] B. (-?, -6) ? (6, ?) C. (-?, -6.9) ? (6.9, ?) D. (-?, -6.9] ? [6.9, ?)

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Convert 63 oz to kilograms.

a.  1.79 kg b.  2,222.22 kg c.  0.06 kg d.  2.22 kg

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