Determine the projection of w onto u.
u=9i-6j
v=-3i-2j
w=19j+15j

Answers:
A. 6.2i-4.2j
B. 67.3i-44.9j
C. 2.6i-2.1j
D. 63.6i-50.2j

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?