What is the y-intercept for the function?

Given: m∠ adb = m∠cdb ad ≅ dc prove: m∠ bac = m∠bca lol

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.

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25