A conference is ordering gift bags for each attendee. The cost will be $14.50 per bag plus a $80 set-up fee. If the total exceeds $500 there is a discount. How many gift bags must the conference order to receive the discount?

What is the product? a-3/15a × 5/a-3

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.

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b