Add or subtract as indicated. Write the answer in simplest form.
- 
A. - 
B. - 
C. - 
D. -8
Answer: A
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Find the perimeter of the figure if 
?
?
A. 34 in.
B. 41 in.
C. 23 in.
D. 32 in.
E. none of these
Solve the problem.It has been found that the less income people have, the more likely they are to report that their health is fair or poor. The function 
models the percentage of Americans reporting fair or poor health, f(x), in terms of annual income, x, in thousands of dollars. According to the model, what annual income corresponds to 18% reporting fair or poor health? Round to the nearest thousand dollars.
A. approximately $21 thousand B. approximately $19 thousand C. approximately $23 thousand D. approximately $20 thousand
Find the indicated quantity.n, when a1 = 311, an = 38, and d = -21;
A. 12 B. 14 C. 13 D. 11
P(N = 7); N is Poisson (3.4).
Find the probability for the given random variable.