210 Has 3,5,7 As Prime Factors
5. . 1
---- - -----
6. . 2
5. . 3
----- - -----
6. . 6
5-3
-------
6
2
-----
6
= 1/3
B
All the x values are made negative
X = 4
F(x) = 2x
F(4) = 2(4)
F(4)= 8
X = 4 (still)
F(-x) = 2(-x)
F(-4) = 2 (-4)
F(-4) = -8
I believe it is 72 because there is a right angle so thats 90 the known angle is 18 so thats 18-90-18=72
