How much should you invest at 2.2% simple interest in order to earn $50 interest in 4 months?

Which of these tables represents a non-linear function?

The monetary value earned for selling goods or services to customers is called a.) revenue b.) assets c.) money d.) accounting

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling