Write the number in standard form.8(cos 135° + i sin 135°)
A. 4
- 4i
B. -4
+ 4i
C. 8
+ 4i
D. 8
- 4i
Answer: B
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Convert the measurement to the specified units. Round to the nearest tenth of a degree, when necessary.In Dana's hometown, the highest temperature ever recorded is 111°F. Convert this temperature to Celsius.
A. 43.9° Celsius B. 29.7° Celsius C. 79.4° Celsius D. 231.8° Celsius
Identify the equation as either linear or nonlinear by trying to write it in the form 
45 + 155x = 109x
A. Nonlinear B. Linear
Find the expected value.A new light bulb has been found to have a 0.02 probability of being defective. A shop owner receives 500 bulbs of this kind. How many of these bulbs are expected to be defective?
A. 20 B. 100 C. 10 D. 500
Solve the problem.If a rocket is propelled upward from ground level, its height in meters after t seconds is given by 
During what interval of time will the rocket be higher than 176.4 m?
A. 0 < t < 3 B. 6 < t < 6 C. 3 < t < 6 D. 6 < t < 9