Solve the problem.The three angles in a triangle always add up to 180°. If one angle in a triangle is 68° and the second is 3 times the third, what are the three angles?
A. 68°, 83°, 29°
B. 68°, 82°, 30°
C. 68°, 84°, 28°
D. 68°, 85°, 27°
Answer: C
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Evaluate the improper integral or state that it is divergent.
A. -4.667 B. -1.7778 C. 0.3333 D. Divergent
Solve the problem.A car rental company charges $25 per day and $0.35 per mile to rent a car. What is the total bill if a car is rented for 4 days and is driven 110 miles?
A. $138.50 B. $2788.50 C. $61.50 D. $101.40
Perform the matrix operation.Given A =
and B = 
, find 2A + B.
A. 
B. 
C. 
D. 
Determine the intervals on which the function is increasing, decreasing, and constant.
A. Increasing on (-5, -3) and (2, 5); Decreasing on (-3, 0); Constant on (0, 2) B. Increasing on (-3, 1); Decreasing on (-5, -3) and (0, 5); Constant on (1, 2) C. Increasing on (-3, -1); Decreasing on (-5, -2) and (2, 4); Constant on (-1, 2) D. Increasing on (-3, 0); Decreasing on (-5, -3) and (2, 5); Constant on (0, 2)