Simir paid 15.50 in shipping charges on a package that weighed 20 pounds. if shipping costs a certain set amount per pound, what shipping charges should samir pay on a 50-pound package?

Natasha spent 1 1/2 hours on the beach. she fell asleep for 3/4 of the time she was on the beach and then woke up with a terrible sunburn.how many hours was natasha asleep on the beach?

In triangle opq right angled at p op=7cm,oq-pq=1 determine the values of sinq and cosq

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?