The Wray family (a family of 5) is planning their family vacation to Seattle, Washington. The distance is approximately 2,300 miles. The average price of gasoline is $3.99 per gallon. They plan to stay in a hotel for six nights and budget the cost of meals to be about $60 per person per day. The trip will be a total of 7 days. (a) If their van averages 25 miles per gallon, estimate the total cost of the gas for the trip. Remember that they must drive there and back! Round to the nearest cent. [BLANK-1] (b) If the hotel will cost $139.99 per night plus 18% hotel tax, determine how much they should budget for the total cost of the hotel. Round your answer to the nearest cent. [BLANK-2] (c) How much should they budget for the total cost of meals for their trip? [BLANK-3]

Which string is created by the following grammar? S→XYX→aaY→bb

If p means “John likes Sushi” and q means “John likes pizza”, what exactly does (p∧q)∨(¬p∧¬q) mean?

Write a language (not a string!) of size 3 based on the alphabet A = {s,f}.

Consider the set A = {Mary, John, Sue}. Introduce two proper subsets of A that have more than one member.

Is this a tautology, a contingency, or a contradiction? (a→b)∧a

Identify the string that belongs to the language a*b*.

Which string is generated by the following grammar? S → XS → YX → xxXY → yyYX → ϵY → ϵ

HMO plans and PPO plans are the most common forms of employment based insurance.

The development of a new drug involves several stages before and after approval. Place the following descriptions of FDA drug development phases in the correct order from earliest to latest: