Asleeping bag weighs 8 pounds. your backpack and sleeping bag together weighs 31 pounds. write an equation to determine whether the backpack without the sleeping bag weighs 25 or 23 pounds?

What is the exact volume of the cylinder 1.5 m 2.5 m

Louise measured the perimeter of her rectangular scrapbook to be 154 cm. if the scrapbook is 45 cm wide, how long is the scrapbook?

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. how many hours after the truck's departure will the two meet?