Substitute the given values into the given formula and solve for the unknown variable. If necessary, round to one decimal place. S=4LW + 2WH; S = 84, L=6, W=3. (Surface area of a special rectangular box)

Find the value of the cosine for angle a

Write the rational number in lowest terms 99/-15

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.