:when a variable drops out of the equation, what are the two possible solutions that you can get when you try to solve and what do they mean? give an example of your own what each answer would look like.

Use the distributive law to multiply. 3(4x + 5y + 6)

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?

The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?