Write the complex number in the form a + bi.5
A. 5i
B. 5
C. -5
D. -5i
Answer: A
Mathematics
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Perform the indicated operations.8
+ 4
A. 4
B. 32
C. 12
D. 12
Mathematics
Find the measures of angles A, B, and C in ?ABC.m?B = 3m?A m?C = m?A + 105
A. 15°, 45°, 120° B. 10°, 30°, 115° C. 14°, 42°, 124° D. 10°, 30°, 140°
Mathematics
Determine whether the collection is well-defined.The collection of people who wear expensive clothes.
A. Not well-defined B. Well-defined
Mathematics
Solve the problem.In order for a chemical reaction to remain stable, its Celsius temperature must be no more than 
Find the Fahrenheit temperatures at which the reaction will remain stable. 
Round your answer to the nearest hundredth of a degree.
A. F ? 33.33° B. F ? 197.58° C. F ? 33.33° D. F ? 197.58°
Mathematics