Use the formula d=rt. find t for r=39.5 m/h and d=402.9m

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

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.

Solve 2^x=32 and rewrite this equation in a logarithmic form