Write the expression in the standard form a + bi.
2
A. 
B. i
C. - 
D. -i
Answer: B
Mathematics
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Make the indicated temperature conversion. Round answers to one decimal place if necessary.In Satoru's hometown, the highest temperature ever recorded is 105°F. Convert this temperature to Celsius.
A. 40.6° C B. 26.3° C C. 76.1° C D. 221.0° C
Mathematics
Perform the indicated operation. Round the result to the nearest thousandth if necessary.(-0.00832) ÷ (-0.65)
A. -0.013 B. 78.125 C. 0.005 D. 0.013
Mathematics
Express the product as a sum containing only sines or cosines.sin(6?) sin(4?)
A. 
[cos(10?) - cos(2?)]
B. 
[sin(10?) + cos(2?)]
C. 
[ cos(2?) - cos(10?)]
D. sin2(24?2)
Mathematics
Find the measures of two angles, one positive and one negative, that are coterminal with the given angle.-77°
A. 103°; -167° B. 283°; -437° C. 283°; -257° D. 103°; -257°
Mathematics