Perform the operation indicated. Simplify.
+ 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Rationalize numerator.
A. 
B. 1
C. 
D. 
Mathematics
Translate to an equation and solve. 80 is 40% of what?
A. 20 B. 200 C. 2000 D. 32
Mathematics
Find the corner points for the set of feasible solutions for the constraints given in problem.
?
?
A. ( 0, 0 ), ( 7, 0 ), ( 0, 6 ), ( 4, 3 ), ( 13, 1 ) B. ( 7, 0 ), ( 0, 6 ), ( 4, 3 ) C. ( 13, 1 ), ( 7, 0 ), ( 0, 6 ), ( 4, 3 ) D. ( 0, 0 ), ( 8, 0 ), ( 0, 7 ), ( 4, 3 ) E. ( 0, 0 ), ( 7, 0 ), ( 0, 6 ), ( 4, 3 )
Mathematics
Identify the x-intercept of the function 
.
A. 
B. 
C. 
D. 
E. The function has no x-intercept.
Mathematics