Use a model to divide 2/5+4 expresse the answer in simplest terms

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1

What is not true about kl and mn? what is mn? (show )

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.