Ms. tao flies roundtrip twice yearly between jacksonville and las angeles on business. the distance between the two cities is 2,150 miles. estimate the distance she flies for both trips. then find the exact distance.

What numbers are included in the set of integers? what numbers are not included?

Solve this riddle: i am an odd number. i an less than 100. the some of my digit is 12. i am a multiple of 15. what number am i?

Over the course of the school year, you keep track of how much snow falls on a given day and whether it was a snow day. your data indicates that of twenty-one days with less than three inches of snow, five were snow days, while of the eight days with more than three inches of snow, six were snow days. if all you know about a day is that it is snowing, what is the probability that it will be a snow day?