PLEASE HELP-- URGENT Attached is the problem!
Explanations will be rewarded with thanks and Brainliest!

Trying to catch up and relearn!

What kind of bond pays interest which is exempt from tax?

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?

Which of the following values are in the range of the function graphed below? check all that apply ! - will give the answer "brainliest! "