Evie is making square rugs for rooms in her dollhouse. She can determine the area of the rug from the function r(x) = x2-8x - 16, where x is the length in inches of the room and r(x) represents the area of the rug. Find the area of a rug given a room length of 13 inches.​

Select all expressions that are equivalent to 2(3x + 7y). question 1 options: 6x + 14y 6x + 7y 1(6x + 14y)

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.

Multiplying fractions by whole number 5 x 1/3=?