How do you multiply 2/9 x 3? i got 6/9 and my teacher says that your numerator has to be bigger than your denominator. plus i have to simplify

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. what distance from city a is the point where the truck and the car will meet?

Find the arc length of the semicircle. 7the grade

Hannah reads at a constant rate of 33 pages every 88 minutes. write an equation that shows the relationship between pp, the number of pages she reads, and mm, the number of minutes she spends reading.