Answer:
the first one
1, 2, 3, 4, 6, 9, 12, 18, 36
26 is the answer
because its counting by 6
Reflection because it shows an exact mirror image of it.
F(5)=-1
Thats it.................
Sin 55 = x/21 —> x = 21* sin55 = 17.2
Cos 55 = y/21 —> y= 21 * cos 55=12.0
Can you mark it brainliest?