Which letter denotes the maximum number of defective items that can be found in the sample before the lot is rejected

What is the value of x when x + 7 = 21?

3women sell hats at a craft fair weekly. the money they make at the fair is split into categories. 9% goes to pay taxes. $55 goes to pay rent for the space they sell in. the rest is split between the women. if the group make $706 at the fair, how much does each women get paid once the money is divided

What is the absolute value of -100000000000000?