Ascientist created a scatter plot to represent the heights of four plants over time. then, she found a line of best-fit to model the height in centimeters of each plant after x days. the equations of each trend line are given in the table.

Two blends of tea are mixed to make a blend that will be sold at the fair. black tea sells for $2.20 per pound and orange pekoe tea sells for $3.00 per pound. how much of each should be used to obtain a 4lb blend selling for $2.50 per pound?

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?

Use a transformation to solve the equation. w/4 = 8 can you also leave a detailed explanation on how this equation = 32