Simplify 2 + 3/5x - 1 - 1/5x

Use set builder notation to represent the following set: { -3, -2, -1, 0}

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

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?