Add. Simplify, if possible.
+ 
+ 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find the base.10 is 20% of what number?
A. 2 B. 500 C. 50 D. 200
Mathematics
Evaluate.
A. 2 B. 40,320 C. 20,160 D. 1
Mathematics
The following graph shows the ratio of bachelor's degrees earned by women to men from 1960 through 1990. How fast was the ratio changing in the period from 1960 to 1980? From 1980 to 1990?
?
?
A. 0.47/yr from 1960 through 19800.06/yr from 1980 through 1990? B. 0.235/yr from 1960 through 19800.06/yr from 1980 through 1990? C. 0.047/yr from 1960 through 19800.006/yr from 1980 through 1990? D. 0.047/yr from 1960 through 19800.012/yr from 1980 through 1990 E. 0.0235/yr from 1960 through 19800.006/yr from 1980 through 1990?
Mathematics
Determine where the function is concave upward.
?
?
A. 
B. 
C. 
D. 
Mathematics