The data in the figure below represents the annual salaries of 120 professional mathematicians.
The third quartile of the salaries of this group of mathematicians is approximately
A. $60,000.
B. $80,000.
C. $75,000.
D. $70,000.
E. none of these
Answer: D
Mathematics
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Write the expression with positive exponents only. Then simplify, if possible.5-3
A. -125
B. 
C. 
D. 125
Mathematics
Find the product.(-18)(-22)
A. 3960 B. 396 C. 414 D. 296
Mathematics
Find the conditional probability.If two cards are drawn at random without replacement from a standard deck, find the probability that the second card is red, given that the first card was a heart.
A. 
B. 
C. 
D. 
Mathematics
The charts give the average for two stock markets for a recent week.
On which day(s) did Market A exceed 4500 and Market B exceed 1000?
A. Monday, Tuesday, and Friday B. Everyday C. Tuesday, Wednesday, and Thursday D. Tuesday
Mathematics