12. A full set of teeth for an adult consists of 32 teeth. Brian and Sampson collided while skiing and both were injured. After the skiing accident Brian found that he had lost ț of his adult teeth. Sampson found that he
1
had lost
as many teeth as Brian had. Determine how many teeth Sampson lost?

At the beginning of the day, stock xyz opened at $6.12. at the end of the day, it closed at $6.88. what is the rate of change of stock xyz? a. 1.17% b. 11.0% c. 12.4% d. 81.5%

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?