Find the perimeter or area of the figure as indicated.Find the perimeter of the regular pentagon.

A. (24x + 54) in.
B. (20x + 45) in.
C. (20x + 9) in.
D. (16x + 36) in.


Answer: B

Mathematics

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Graph the pair of parametric equations in the rectangular coordinate system.x = 7 sin t, y = 7 cos t; 0 ? t ? 2? 

A.

B.

C.

D.

Mathematics

Choose the terminology that best classifies the given figure.

A. Simple concave curve B. Simple closed convex curve C. Polygon D. Concave polygon

Mathematics

Evaluate the expression. ? 

A. 3
B.
C.
D. 1

Mathematics

Graph the equations of the system. Then solve the system to find the points of intersection. 

What will be an ideal response?

Mathematics