Factor out the greatest common factor.7y + 21
A. 7y
B. 21
C. 7(y + 3)
D. no common factor (except 1)
Answer: C
Mathematics
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The bar-graph shows the average living expenses of an undergraduate student. Provide an appropriate response.
Use a mathematical model to predict the average living expenses of an undergraduate student in 2007
A. $8500 B. $10,250 C. $9550 D. $8150
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Find the greatest common divisor (GCD).8 and 12
A. 8 B. 4 C. 1 D. 2
Mathematics
Simplify the expressions. Make all exponents positive.(y6)5
A. 5y6 B. y30 C. 5y30 D. y11
Mathematics
Simplify the expression.(
+ 
) (
+ 
)
A. 
+ 
+ 3
+ 3
B. 
+ 
+ 6
+ 3
C. 
+ 
+ 6
+ 
D. 
+ 
+ 6
+ 3
Mathematics