Whats the fraction decimal and percent for 15 out of 9

You and a friend went to the movies.you spent half your money on tickets. then you spent 1/4 of the money on popcorn, $2 on candy, and $3 on a soda. if you have $1 left, hiw much money did u take to the movies?

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.

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