Matthew can read a textbook at a speed of 50 pages per hour. if he's reading a textbook chapter that has 175 pages, how long will it take matthew to finish his reading?

3 hours
3 hours and 15 minutes
3 hours and 30 minutes
3 hours and 45 minutes

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

You have 3 boxes, one "strawberries"; one "mentos" and one "mixed".but you know that all the labels are in incorrect order .how do you know witch is witch?

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.