Write summation notation for the expression.7 + 14 + 21 + 28 + 35
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the problem.Find the point on the parabola 
that is closest to the line 
Use the fact that the line connecting the closest points on each curve is normal to both curves.
A. 
B. 
C. 
D. 
Mathematics
Find the selling price per item to the nearest cent.Total cost: $1387Quantity: 8 doz.Unsaleable: 4% Markup on selling price: 27%
A. $20.65 B. $11.87 C. $11.38 D. $19.79
Mathematics
Answer the question.Is 9 a factor of 101,639?
A. Yes B. No
Mathematics
Without graphing the function, determine its amplitude or period as requested.y = 4 cos 
xFind the period.
A. 4
B. 6?
C. 
D. 
Mathematics