One_half of the sum of x and 8 minus the product of 2 and c

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

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?

For the inequality |c| < |d| to be true, which of the following must be true?