Determine which, if any, of the three statements are equivalent.I) Gasoline costs $1.99 per gallon if and only if you live in Cook County.II) You do not live in Cook County and gasoline does not cost $1.99 per gallon.III) If you do not live in Cook County then gasoline does not cost $1.99 per gallon and if gasoline does not cost $1.99 per gallon then you do not live in Cook County.
A. I and II are equivalent
B. I and III are equivalent
C. II and III are equivalent
D. None are equivalent
Answer: B
Mathematics
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A. 
B. 
C. 
D. 
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Evaluate the expression.
+ 
- 
- 
A. 20 B. 0 C. 16 D. -4
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Find the unknown length in the right triangle. If necessary, approximate the length to the nearest thousandth.
12 cm
A. 208 cm B. 10 cm C. 104 cm D. 14.422 cm
Mathematics
Provide an appropriate response.In a raffle 1000 tickets are being sold at $1.00 each. The first prize is $100, and there are 3 second prizes fo $50 each. By how much does the price of a ticket exceed its expected value?
A. $1.00 B. $0.75 C. $1.75 D. $50
Mathematics