To bake several loaves of bread a ya used 6 cups of water and 18 cups of flour she used the same ratio of water to flour for every loaf she bakes which

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

|p| > 3 {-3, 3} {p|-3 < p < 3} {p|p < -3 or p > 3}

Arock was dropped from the top of a building. the function that describes the height after it was dropped is f(x)=64-16x^2. what are the zeros of the function and what do they mean?