The ratio of women to men in a mathematics class is 11 to 4. How many women are in the class if there are 20 men?
?
Please enter your answer as a number without the units.
Fill in the blank(s) with the appropriate word(s).
55
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Describe the domain of the function of three or more varables.f(x1, x2, ..., xn) = 
A. All points in ?4 that satisfiy x12 + x22 + ... + xn2 ? 0. B. All points in ?n except the origin (0, 0, ..., 0). C. All points in ?4 that satisfy x1 > 0, x2 > 0, ..., xn > 0. D. All points in ?n.
Find the indicated probability.The table below describes the smoking habits of a group of asthma sufferers.
If one of the 1079 subjects is randomly selected, find the probability that the person chosen is a nonsmoker given that the person is a woman.
A. 0.711 B. 0.49 C. 0.495 D. 0.348
In the following question(s), FN represents the Nth Fibonacci number.If FN = a and FN+1 = b, then FN+M =
A. FM-1a + FMb. B. FNa + FN+1b. C. a + b. D. FMa + FM+1b. E. none of these
Solve the inequality graphically, numerically, or symbolically, and express the solution in interval notation. Where appropriate, round to the nearest tenth.
> 2
A. (-?, -3.7) ? (-2.3, ?) B. (-3.7, -2.3) C. (-2.3, -3.7) D. (-?, -2.3) ? (-3.7, ?)