Use substitution to solve the system of equations.

y = 2x + 16
2x – 7y = –64

Consider the function f(x)=-5x+3 what is f(-2)

For what value of (y) is 3^3/3^y =1/9

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?