Mike buys four equally a price dvds online. each dvd cost the same amount with a $5.98 shipping charge included the total cost came to $79.94 write a word equation you could use to find the cost of each dvd

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?

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

The graph of y x3 is translated so that the point (1. 1) is moved to (1, 4). what is the equation of the new graph?