Valentina purchased 200 beads for $48 to make necklaces. if she needs to buy 25 more beads, how much will she pay if she is charged the same rate?

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.

Which of these lines passes through the point (1,-1) and has a slope of -3?

Ihave like no idea how to do any of this !