Help please i got 3,800 but it says he walked home again help please :D

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

Arestaurant chef made 1 1/2 jars of pasta sauce. each serving of pasta requires 1/2 of a jar of sauce. how many servings of pasta will the chef be bale to prepare using the sauce?