The scores on a test given to all freshmen in a school district are normally distributed with a mean of 70 and a standard deviation of 8. Show work.

Find the slope of a line given the following two points

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?

Define multiplicative inverse. give an example of a number and its multiplicative inverse.