Avariable is four less than six times another variable. express it as a function rule

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 is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?

Solving algebraic equations 2m+3=11