Multiply. Write the answer in simplest form.1
? 
A. 2
B. 
C. 1
D. 
Answer: B
Mathematics
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Find a formula for the nth term of the sequence.1, - 
, 
, - 
, 
(reciprocals of squares with alternating signs)
A. an = 
B. an = 
C. an = 
D. an = 
Mathematics
Factor by grouping.x3 + 6x2 - 10x - 60
A. (x - 6)(x2 - 10) B. (x + 6)(x2 - 10) C. (x2 + 6)(x - 10) D. (x + 6)(x3 - 10x)
Mathematics
The Empirical Rule only applies to distributions that are
A. level B. in control C. normal D. standard
Mathematics
Solve the problem.In a round robin tennis tournament, every player plays against every other player. If 11 players are entered in a round robin tennis tournament, how many matches will be played?
A. 112
B. 11 × 2
C. 11 × 10
D. 211
E. 
Mathematics