Which table has pairs of numbers all in the ratio 3 to 7. A, B, C D?

The sum of two numbers is 12 and their difference is 18 what are the two numbers

Find the nonpermissible replacement for binthis expression.b2/5b +5

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.