Write out the first five terms of the sequence.
A. 2, 6, 40, 1260, 72,576
B. 2, 3, 20, 210, 3024
C. 1, 6, 40, 1260, 72,576
D. 1, 3, 20, 210, 3024
Answer: D
Mathematics
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Solve the system. Indicate all corner points and shade the solution set.x - 2y ? 2 x + y ? 0
A. 
B. 
C. 
D. 
Mathematics
Evaluate the expression.32 - (-52)
A. 84 B. 20 C. -84 D. -20
Mathematics
For the compound inequality, give the solution set in both interval and graph forms.x - 1 > 1 or x + 1 < 2
A. (-?, 1) ? (2, ?)
B. (1, ?)
C. (-?, -1) ? (2, ?)
D. (-?, 2)
Mathematics
Use a proportion to solve the problem.On a map, the length of a nature-center trail is 6.6 centimeters. If the scale is 3 centimeters to 28 kilometers, what is the actual length of the trail?
A. 65.6 kilometers B. 62.6 kilometers C. 61.6 kilometers D. 123.2 kilometers
Mathematics