City hoppa runs two buses starting from the same bus stop. One bus route takes 25 minutes. The other bus route takes 45 minutes. What is the next time that the buses will be at the stop together?

The data represents the semester exam scores of 8 students in a math course. {51,91,46,30,36,50,73,80} what is the five-number summary?

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

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?