An inlet pipe on a swimming pool can be used to fill the pool in 45 hours. The drain pipe can be used to empty the pool in 50 hours. If the pool is half filled and then the drain pipe is accidentally opened, how long will it take to fill the pool?
?
A. 209 hours
B. 225 hours
C. 237 hours
D. 450 hours
E. 5 hours
Answer: B
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Write the negation of the conditional. Use the fact that the negation of p ? q is p ? ~q.If 7x + 2y > 6, the answer is "Sea."
A. 7x + 2y ? 6 and the answer is not "Sea." B. 7x + 2y > 6 and the answer is not "Sea." C. If 7x + 2y > 6, the answer is not "Sea." D. 7x + 2y > -6 so the answer is not "Sea."
Rewrite the statement in the form "if p, then q".Showing up at the party is sufficient to get a door prize.
A. If you get a door prize then you don't have to show up at the party. B. If you show up at the party then you will get a door prize. C. If you don't show up at the party, then you will not get a door prize. D. If you got a door prize then you showed up at the party.
Provide an appropriate response.Sketch the graph of f(x) = x2 - 1.
A. 
B. 
C. 
D. 
Factor the trinomial completely.36x2 - 21x - 30
A. 3(3x + 2)(4x - 5) B. (9x + 6)(4x - 5) C. 3(3x - 2)(4x + 5) D. (3x + 2)(12x - 15)