Is ~$\frac{1}{p}> \frac{r}{r^{2}+2}$~

(1) p = r
(2) r > 0

Is the integer n odd?

(1) n is divisible by 3.
(2) 2n is divisible by twice as many positive integers as n.

If -2x > 3y, is x negative?

(1) y > 0
/>(2) 2x + 5y - 20 = 0

Set S consists of five consecutive integers, and set T consists of seven consecutive integers. Is the median of the numbers in set S equal to the median of the numbers in set T ?

(1) The median of the numbers in set S is 0.
(2) The sum of the numbers in set S is equal to the sum of the numbers in set T.

Are the two nonzero integers x and y on opposite sides of 0 on the number line?

(1) The sum of x and y is 0.
(2) The product of x and y is less than 0.

Store S sold a total of 90 copies of a certain book during the seven days of last week, and it sold different numbers of copies on any two of the days. If for the seven days Store S sold the greatest number of copies on Saturday and the second greatest number of copies on Friday, did Store S sell more than 11 copies on Friday?

(1) Last week Store S sold 8 copies of the book on Thursday.
(2) Last week Store S sold 38 copies of the book on Saturday.

Is |k| = 2 ?

(1) k² = 4
(2) k = |-2|

Is xy + xz = 0 ?

(1) x = 0
(2) y + z = 0

Jane walked for 4 miles. What was her average speed for the first 2 miles?

(1) Jane's average speed for the 4 miles was 3.2 miles per hour.
(2) It took Jane 15 minutes longer to walk the second 2 miles than it took her to walk the first 2 miles.

Of the people who attended a workshop, 60 percent were teachers and some of the teachers were teachers of language arts. What percent of the people who attended the workshop were teachers of language arts?

(1) 200 people attended the workshop.
(2) 72 of the teachers who attended the workshop were not teachers of language arts.