Solve the problem.Ron takes two hr more time than Paul to mow the lawn. Working together they can mow the lawn in 
. How long does it take each of them working alone?
A. Paul: 9.1 hr; Ron: 11.1 hr
B. Paul: 8.3 hr; Ron: 10.3 hr
C. Paul: 8 hr; Ron: 10 hr
D. Paul: 10 hr; Ron: 12 hr
Answer: A
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Solve the problem.The number of adult cats age 3 and older who are rescued from shelters in a certain region are shown in the table for various years.
Let f(t) be the number (in thousands) of adult cats that are rescued from shelters in the year that is t years from 2008. A reasonable model is 
Estimate the number of adult cats (to the nearest hundred) that were rescued in 2013.
A. 5000 cats B. 7400 cats C. 7200 cats D. 700 cats
Solve the problem.On a biology test, a student got 25 questions correct but did not pass. On a second attempt, the student got 34 questions correct. What was the percent of increase?
A. 36% increase B. 26.5% increase C. 64% increase D. 9% increase
Find the common difference d and the nth term an of the arithmetic sequence with the specified terms. 3rd term is 19; 8th term is 44
A. d = 5; an = 5n + 9 B. d = 9; an = 9n + 5 C. d = 10; an = 10n + 14 D. d = 5; an = 5n + 4
Solve the problem.If three cards are drawn without replacement from an ordinary deck, find the probability that the third card is a face card, given that the first card was a queen and the second card was a 5.
A. 
B. 
C. 
D. 