roxanne bicycles 3 miles west to get from her house to school. After school, she bicycles 8 miles north to her friend Bonnie's house. How far is Roxanne's house from Bonnie's house, measured in a straight line? If necessary, round to the nearest tenth.

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?

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?