Subtract the fractions. Write the answer in lowest terms.
A. 
B. 
C. 
D. 
Answer: C
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Find the x-intercepts (if any) for the graph of the quadratic function.f(x) = x2 + 18x + 67 Give your answers in exact form.
A. (-9 ± 
, 0)
B. (9 ± 
, 0)
C. (9 + 
, 0)
D. (-18 ± 
, 0)
Find the distance between the pair of points.(2
, -2) and (4
, 0)
A. 16 B. 3 C. 4 D. 8
The name of a property is given followed by part of an equation. Complete the equation to the right of the equal sign to illustrate the given property.
(1) = identity property of multiplication
A. - 
x
B. 1
C. 
x
D. - 
x
Solve the problem.A small town takes a poll of how often its citizens went to the local swimming pool in a 1-month period this summer. The poll results are shown in the table. 
Let the random variable X be the number of monthly visits to the swimming pool made by a randomly selected respondent, and let f(x) = P(X = x) be a probability mass function based on these poll results. Find the cumulative probability function F.
A. F(x) = 
B. F(x) = 
C. F(x) = 
D. F(x) = 