How to order decimals from least to greatest 0.402, 0.42, 0.375 and 1.2

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 the following constants can be added to x2 - 3x to form a perfect square trinomial?

The function f(x) is shown in this graph the function g(x)=6x