In a study, researchers found that for every 3 people who preferred band a toothpaste 1 person preferred band b toothpaste. which ratio describes the result of this study?

a) 1: 3
b) 1: 4
c) 3: 1
d) 4: 1

The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score

Iknow its nothing to do with education, but what type of thing should i wrote here? ? : ) its for mcdonald's btw.

If f(x) = 3x2 - 2x+4 and g(x) = 5x + 6x - 8, find (f-g)(x).