Use the information below to determine the cardinality of the set. U = {x | x ? N and x ? 15} A = {x | x ? N and 5 < x < 10} B = {x | x ? N and x is even and x < 14} C = {x | x ? N and 8 ? x ? 13}n(A' ? B ? C)
A. 3
B. 0
C. 2
D. 1
Answer: C
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Solve the problem.At noon, ship A was 14 nautical miles due north of ship B. Ship A was sailing south at 14 knots (nautical miles per hour; a nautical mile is 2000 yards) and continued to do so all day. Ship B was sailing east at 
and continued to do so all day. The visibility was 5 nautical miles. Did the ships ever sight each other?
A. Yes. They were within 4 nautical miles of each other. B. No. The closest they ever got to each other was 7.3 nautical miles. C. Yes. They were within 3 nautical miles of each other. D. No. The closest they ever got to each other was 6.3 nautical miles.
Match the property with the example of it.Inverse property
A. - 
+ 
= 0
B. - 
= 1
C. - 
= 1
D. - 
= 0
Solve the problem.A rectangular room has a area of 208 square feet and a width of 8 feet. Find the length.
A. 26 ft B. 29 ft C. 52 ft D. 4 ft
Solve the polynomial inequality.x2 - 4x - 12 ? 0
A. (-?, -2] B. [-2, 6] C. [6, ?) D. (-?, -2] ? [6, ?)