Convert as indicated. If necessary, round to the nearest tenth of a degree.In a European cookbook, a recipe requires a mixture for candy to be heated to  but the cook only has access to a Fahrenheit thermometer. Find the temperature in degrees Fahrenheit that should be used for making this candy.

A. 80°F
B. 259.2°F
C. 242.8°F
D. 233.6°F


Answer: D

Mathematics

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Write the power of i as i, -1, -i, or 1.i22

A. 1 B. i C. -i D. -1

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Use De Moivre's theorem to evaluate the expression. Write the result in standard form.(2(cos 45° + i sin 45°))4

A. 16 B. -16i C. 16i D. -16

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Translate to an equation. Do not solve.22 is what percent of 88?

A. 22 = p × 88 B. 22% = p × 88  C. 22 × p = 88 D. 22 = p × 88%

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Solve the absolute value inequality. Other than ?, use interval notation to express the solution set and graph the solution set on a number line. < 8

A. (-?, -8] ? [8, ?)

B. [-8, 8]

C. (-?, -8) ? (8, ?)

D. (-8, 8)

Mathematics