If the probability that a certain tennis player will serve an ace is 1/4, what is the probability that he will serve exactly two aces out of five serves? Round the answer to three decimal places, if necessary.
The probability is __________.
0.264
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Use the table to find the indicated limit.If f(x) = 
, find 
f(x).
A. 0.0695; 0.0669; 0.0667; 0.0666; 0.0664; 0.0639 limit = 0.0667 B. 0.1695; 0.1669; 0.1667; 0.1666; 0.1664; 0.1639 limit = 0.1667 C. -0.1695; -0.1669; -0.1667; -0.1666; -0.1664; -0.1639 limit = -0.1667 D. 0.2695; 0.2669; 0.2667; 0.2666; 0.2664; 0.2639 limit = 0.2667
Perform the indicated operation. Write the result in standard form.(
- 2i)(
+ 2i)
A. 8 + 4i B. 10 C. 12 D. 8 - 4i
Subtract the polynomials. Assume all variable exponents represent whole numbers.Subtract 9x3 + 11x2y + 8xy2 + 10y3 from 2x3 + 3xy2 + 12y3.
A. 11x3 + 11x2y + 10xy2 + 22y3 B. -7x3 - 11x2y - 5xy2 + 2y3 C. -7x3 + 11x2y - 5xy2 + 2y3 D. 7x3 + 11x2y + 5xy2 - 2y3
Find functions f and g so that h(x) = (f ? g)(x).h(x) = 
A. f(x) = 1/x2, g(x) = - 1/8 B. f(x) = 1/x, g(x) = x2 - 8 C. f(x) = 1/8, g(x) = x2 - 8 D. f(x) = 1/x2, g(x) = x - 8