Write a sine or cosine function for the data set

Jan: 39
Feb: 42
Mar: 50
Apr: 72
Jun: 80
Jul: 86
Aug: 77
Oct: 66
Nov: 55
Dec: 44

G(x)=x2-16xb=-16, so =16 = 649(x) = (x2 - 16x + 64) - 649(x) = (x - 1)2-

Can u guys do this ratio question. this is extremely urgent a tap is leaking water at a rage of 1l every 8 hours. how long will it take for the tap to leak a total of 300ml?

Solve: 3x+y=6 4x-2y=18 show all work !