Find the expected value.A car agency has found daily demand to be as shown in the table.
Find the expected number of customers.
A. 9
B. 12
C. 10
D. 2
Answer: A
Mathematics
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Find a formula for the nth term of the sequence.The sequence 0, 2, 2, 2, 0, 2, 2, 2, . . . (0 and 3 2's repeated)
A. an = 1 + (-1)((n+1)(n+2))/2 B. an = 1 + (-1)(n(n+1)(n+2))/6 C. an = 1 + (-1)(n(n+1))/2 D. an = 1 + (-1)(n(n-1))/2
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics
Factor completely, or state that the polynomial is prime.x2 + 9x
A. x(x + 9) B. 9x(x + 1) C. 9(x2 + x) D. x2(1 + 9x)
Mathematics
Multiply or divide. Simplify, if necessary.
A. 35 c 3 fl oz B. 9 c 3 fl oz C. 39 c 3 fl oz D. 37 c 3 fl oz
Mathematics