What is the value of x to the nearest tenth ?

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?

An elevator travels 310 feet in 10 seconds. at that speed, how far can't his elevator travel in 12 seconds?

Mikes car gets an average of 28 mpg. there are 12 gallons of fuel in mikes car when he starts his trip of 140 miles. about how many gallons are left at the end of his trip?