she will need 18 boxes total :)
Function A is linear
y = 5/3x + 0
let me know if this is incorrect
3280.839895 ft = 1 km
60 ft = 60/3280.839895 = 0.018288 km
60 ft/s = 0.018288 km/s = 0.018288 x 60 x 60 = 65.8368 km/h
That would be B) B
hope it helps
