Rationalize the denominator.
A. -11 - 2
B. 11 + 2
C. 11 - 2
D. 2
- 11
Answer: D
Mathematics
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A couple is planning to have four children. Suppose that for this couple the probability of a boy is 46% and the probability of a girl is 54%. (Assume the gender of each child is independent from that of the other children.)What is the probability that they will have four boys?
A. 0.46 + 0.46 + 0.46 + 0.46
B. 0.464
C. 0.463 × 0.54
D. 
E. none of these
Mathematics
Translate the graph to an inequality using the variable x.
A. x ? 4 B. x ? 4 C. x < 4 D. x > 4
Mathematics
Evaluate the expression for the given values of the variables, if possible.
a = -24, b = -3
A. -8 B. -7 C. 8 D. -9
Mathematics
Evaluate the function.If g(x) = 5x - 5, find g(a - 1).
A. 5a - 15 B. 5a - 5 C. 5a - 6 D. 5a - 10
Mathematics