Find the indicted product and simplify if possible.Measurements concerning the volume of liquid flowing through a valve result in the expression 

A. 3F5 - 3F4 + 12F3 - 4F2 + 4F - 16
B. 3F5 + 9F3 - 4F2 + 4F - 16
C. 3F5 - 3F4 + 12F3 - 4F2 - 4F - 16
D. 3F6 - 3F4 + 12F3 - 4F2 + 4F - 16


Answer: A

Mathematics

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A. x = 3t - 3, y = -3t, z = -5t + 5, 0 ? t ? 1 B. x = 4t, y = 4t - 3, z = -4t, 0 ? t ? 1 C. x = -3t, y = 3t - 3, z = 5t, 0 ? t ? 1 D. x = 4t - 3, y = 4t, z = -4t + 5, 0 ? t ? 1

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A.  +  - 
B. -  +  + 
C.  +  + 
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Use the following information to solve the problem. A recreation room is in the shape of an isosceles triangle with the vertex angle measuring 90° and the base is 4?2 meters.

Find the perimeter of the room. ________________________

Mathematics