Abag contain 8 blue marbles and 6 red marbles and 4 green marbles . what is the probability of selecting a red marble , replacing it in the bag and then selecting a green marble

The sum of the reciprocal of a positive number and the reciprocal of 2 more than the number is 3/4 equation: the number is

Witch represents the inverse of the function f(x)=1/4x-12

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?