Determine if the following system of equations has no solutions, infinitely many solutions or exactly one solution.
3x + 2y = 1
3x – 2y = -4

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

What is the inverse of the function f(x) = 2x + 1?

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.