Tanisha and Avery each have a savings account. The graph and equation represent how much each girl adds to her account Tanisha's Savings
Avery's Savings
100
90
y = 12 x
70
Savings (3)
50
40
30
20
10
0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
Months
Part A:
Who is saving more money each month?
Part B:
How much more money is she saving each month? (Enter the value as a whole number with no decimal point.)

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables