What is x+3+(-1)- the opposite of (4+(-2)-x)

Julian wrote the following numeric pattern on the board3,10,17,24,31,38.what numbers of julian's pattern are compound numbers.

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?

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2 acellus answer