please please i have been stuck for the whole day please answer this correctly : is 2/5 close to 0, 1/2 or 1 and why the first will be marked brainliest

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

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?

Drag the tiles to the correct boxes to complete the pairs. not all tiles will be used. match each division expression with the correct quotient.