Marilyn saves 30% of the money she earns each month. She earns 350$ each month. Home much does she save?

Two lines parallel to the same plane are parallel to eachother

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?

What is 1/3x5 on anuber line what does it look like on a number line