Easy points lol.
Simplify

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?

Bring the fraction a/a-4 to a denominator of 16-a^2

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with