Which line shows the first error in the solution? Four less than a number divided by 3 is11. What is the number? +43 - 11 3 (1)
X + 4 = 4 = - 11 - 4 (2)
3 X 3 - 15 (3)
3 = = 15.3 (4)
X = - 45 (5)

Find the roots of the equation below. x^2 - 6 + 9 = 0

If you are just building your payment history, how many points from a perfect score will you possibly miss?

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?