Earth’s diameter at the equator is 7,926 miles. Find the distance around the Earth at the equator.

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.

To determine the number of deer in a forest a forest ranger tags 280 and releases them back

Given a: b and b: c, find a: b: c. write the ratio in simplest form. a: b=6: 10 and b: c=21: 33