Solve the problem. Simplify the fraction, if possible.According to a recent study, 6 out of 15 visits to a hospital emergency room were for an injury. What fraction of emergency room visits are NOT injury-related?
A. 
B. 
C. 
D. 
Answer: C
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Use the fundamental identities to find the value of the trigonometric function.Find cos ? if tan ? = 
and ? is in quadrant III.
A. 
B. - 
C. - 
D. 
Solve.Chris and his friends went to the movies. They purchased 3 adult tickets, 2 student tickets and 4 child tickets. How much did they spend on movie tickets?
A. 50 B. 36 C. 48 D. 56
Find the domain and the vertical asymptote of the function.f(x) = ln (1 - x)
A. Domain: (-1, ?); vertical asymptote: x = -1 B. Domain: (1, ?); vertical asymptote: x = 1 C. Domain: (-?, -1); vertical asymptote: x = -1 D. Domain: (-?, 1); vertical asymptote: x = 1
Solve the problem.An arch for a bridge over a highway is in the form of a semiellipse. The top of the arch is 35 feet above ground (the major axis). What should the span of the bridge be (the length of its minor axis) if the height 26 feet from the center is to be 12 feet above ground?
A. 27.68 ft B. 151.67 ft C. 35.85 ft D. 55.36 ft