Please help me TwT. I’m trying to figure out this stuff. I really stink at algebra

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 able to prepare using the sauce?

Which of these tools or constructions is used to inscribe a hexagon inside a circle?

Find the amplitude of a sinusoidal function that models this temperature variation