Company A charges $45 for the first half-hour of work, and $23 for each additional half-hour. Company B charges $35 for the first half-hour and $28 for each additional half hour. For how many hours of work will the companies charge the same amount?

What is the probability of rolling a single die greater than 4

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

Ateacher noticed 5/8 of the students were wearing either blue shorts or white shorts. write two different ways this could be done.