Solve the problem.For the geometric sequence 2, 1, 
, 
, ... , find an.
A. an = 21-n
B. an = 
1-n
C. an = 2n-2
D. an = 
n-2
Answer: D
Mathematics
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Solve the inequality.p2 + 4p - 5 > 0
A. (1, ?) B. (-?, -5) or (1, ?) C. (-?, -5) D. (-5, 1)
Mathematics
Factor completely.x7 - 4x6y - 21x5y2
A. x5(x - 3y)(x + 7y) B. x5(x + 7y)(x + 3y) C. x4(x - 7y)(x + 3y) D. x5(x - 7y)(x + 3y)
Mathematics
Provide an appropriate response.A proper fraction has the form 
. What is the largest possible number that x can be?
A. 21 B. 20 C. 22 D. 10.5
Mathematics
Solve the problem.A baseball team won 4 of its games by 4 runs, lost 2 of its games by 5 runs, lost 1 game by 8 runs, and finished the season by winning its last 3 games by 4 runs. Express as a real number how many more or fewer runs the team scored versus their opponents in the 10 games.
A. 4 runs B. -5 runs C. 10 runs D. 26 runs
Mathematics