If there are 21 values in a data set in order from smallest to largest, what is the third quartile of the data set?
A. The mean of the 19th and 20th values
B. The mean of the 18th and 19th values
C. The mean of the 17th and 18th values
D. The mean of the 16th and 17th values

Is the product of seventeen negative numbers, positive or negative ?

What is the measure of angle tvu shown in the diagram below

Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.