Okay, so I made another question on my account, please go look at it before you answer these, because It explains them better. Here are the other graphs. There are some I dont need help with though, because my teacher did them in class and I just copied them I will post another question with one of the ones I copied if your still confused. Please help me

Will give brainliest if you answer question correct

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.

When you find the area of a triangle do you use in. or in2