What is the product? StartFraction 5 k Over 6 EndFraction times StartFraction 3 Over 2 k cubed EndFraction

A: StartFraction 5 Over 4 k squared EndFraction
B: StartFraction 5 k squared Over 4 EndFraction
C: StartFraction 5 k Superscript 4 Baseline Over 4 EndFraction
D: StartFraction 5 Over 4 k Superscript 4 Baseline EndFraction

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.