The associative and commutative properties for addition allow for three or more integers to be added in any order. Find the given sum.2 + (-1) + 6
A. -3
B. -5
C. 9
D. 7
Answer: D
Mathematics
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Find the area enclosed by the given curves.Find the area of the region in the first quadrant bounded on the left by the line y = 
and on the right by the curves y = tan 2 x and y = cot 2 x. (Round to four decimal places.)
A.
| 0.5858 |
B. 0.4126
C. 4.3094
D. 0.3094
Mathematics
Use the following table to convert the temperature numerically. If there are two choices, use the higher value. 
38.1°C
A. 100.6°F B. 37.8°C C. 38.1°C D. 100.1°F
Mathematics
Find the number of subsets of the set.{0}
A. 2 B. 0 C. 4 D. 1
Mathematics
Find the absolute value.
A. 
B. 
C. 0
D. - 
Mathematics