R+r+2r-r+4r
R + r + 2R + 4r = R+7r
R+7r - -r =
R+6r
Answer:
n = 16
Step-by-step explanation:
6 + 2 * 3 - 1
2 * 3 = 6
6 + 6 - 1
6 + 6 = 12
12 - 1 = 11
D) 11
A
It goes up and down due to the x^3 then the 3x^2
i think its twenty hours.....but dont take my word on it im not 100% on it
