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.

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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

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Without graphing the function, determine its amplitude or period as requested.y = 4 cos xFind the period.

A. 4
B. 6?
C.
D.

Mathematics