48x^ 4-72x^6 y^2/-12x^2y

i hope i even wrote it correctly

If 1.4% of the mass of a human body is calcium, how many kilograms of calcium are there in a 165-pound man? 1.0 kg ca 5.1 kg ca 1.0 x 102 kg ca 5.1 x 102 kg ca

Which graph represents the linear function below? y-3=1/2(x+2)

Which numbers have the same absolute value? choose all that apply. asap will mark at brainliest