A park has an area of 12.5 sq miles and a width of 5 miles. What is the perimeter of the park?

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?