144.74 pounds, I rounded the answer. to get this you would divide 55 by .38 .
It would be C because if you plug all the x-values in to the equation, it would get the same y values, which would satisfy the equation.
Since 500 is the area, and 20 is the length, divide 500 by 20. Your answer is a decimal. (0.04) therefore, you have to make it into a whole number. So move the decimal to the right two times. So 4 is your height.