Find the coordinates of the midpoint of the line segment PQ.P(y - z, p), Q(y + z, p)
A. (p, y)
B. (y, p)
C. (2y, 2p)
D. (-z, 0)
Answer: B
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Use a proportion to solve the problem.On a map of the Thunderbird Country Club golf course, 1.5 inches represent 30 yards. How long is the 13th hole if the map shows 11 inches?
A. 495 yards B. 220 yards C. 4.1 yards D. 330 yards
A large soft drink company conducted a poll of 1,000 families to determine how many had seen its television and newspaper advertisements. The results are shown in the diagram.
U = the set of families polled
T = the set of families who saw the television ad
N = the set of families who saw the newspaper ad
 figure 1.png)
a. 543 families saw neither the television ad nor the newspaper ad.
b. Only 222 saw the television ad.
c. 287 families saw at least 1 of the ads.
d. 98 families saw both the television ad and the newspaper ad.
Mentally evaluate the expression.-7 + 16 - 4 - 1
A. -12 B. 12 C. -4 D. 4
The "forgetting curve" for memorizing nonsense syllables is given by
?
, 
,
?
where R is the percentage who remember the syllables after t seconds.
?
In how many seconds to the nearest second would only 15 % 
of the students remember?
?
A. 
B. 
C. 
D. 
E. 