Atree grows 1 3/4 per year. how long will it take the tree to grow from a height of 21 1/4 feet to a height of 37 feet?

Which logarithmic equation is equivalent to the exponential equation below? e^a=55(you will receive 34 points)

The perimeter of a rectangle is greater than or equal to 74 meters. if the length is 25 meters, the minimum width of the rectangle is meters.

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?