2 1/3:4 1/2 write the ratio as a fraction in simplest form

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.

What unit of been sure would be appropriate for the volume of a sphere with a radius of 2 meters

X+ 4y − z = −14 5x + 6y + 3z = 4 −2x + 7y + 2z = −17