A random sample of 50 high school seniors in a large high
school has a mean GPA of 3.2 with a standard deviation of
0.51. What is the 95% confidence interval for the mean GPA
of all seniors at this large high school?

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan bought 4 bottles of water and 1 cup of coffee for his family for 7.15. how much does each bottle of water cost? how much does each cup of coffee cost?

Describe what moves you could use to create the transformation of the original image shown at right

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25