Needing help stuck on this.

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?

This graph shows which inequality? a ≤ –3 a > –3 a ≥ –3 a < –3

Agrasshopper weighs 0.89 grams. express the grasshopper’s weight in scientific notation.