Convert the given polar coordinates of the point to rectangular coordinates.(6, 45°)

A. (3?, 3?)
B. (33)
C. (-3-3)
D. (33)


Answer: D

Mathematics

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Change the given quantity to the indicated unit.108 in. =  ft

A. 36 B. 324 C. 9 D. 0.75

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Find the probability.An urn contains balls numbered 1 through 20. A ball is chosen, returned to the urn, and a second ball is chosen. What is the probability that the first and second balls will be a 6?

A.
B.
C.
D.

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Express the interval in set-builder notation and graph the interval on a number line.(-4, ?)

A. {x }

B. {x }

C. {x }

D. {x }

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The following while loop is annotated with a pre- and post-condition and also a loop invariant. Use the loop invariant theorem to prove the correctness of the loop with respect to the preand post-conditions.

Mathematics