Answer: 21n^4 -46n^3 -4n^2 +7n
Step-by-step explanation:
21n^4 +3n^3 +3n^2 -49n^3 -7n^2 +7n =
21n^4 -46n^3 -4n^2 +7n
It can't be f(1) = 1 because a function can't have two images on the same x.
Answer:
22.5 degrees
Step-by-step explanation:
Complementary angles add up to be 90 degrees. You can model the simple equation 
where is x is the small angle and 3x is the large angle.
the smaller angle is 22.5 degrees
Answer:
r = 15
Step-by-step explanation:
I don't really have an explanation, I'm just good at quick math,
I'm sorry if you wanted an explanation, I would explain but I am really bad at explaining math.
