Write the vector u as a sum of two orthogonal vectors one of which is the vector projection of u onto v, projvu u=(-9,3), v=(-9,-3).

a. (-7.2,-2.4)+(-1.8,5.4)
b. (-6,-2)+(-3,9)
c. (-9,-3)+(0,6)
d. (3,1)+(-12,2)

An appliance salesman sets a goal to sell an average of 6 appliances per day for the first two weeks of his new job. the dot plot shows the number he sold each day during the first 13 days. what is the minimum number of appliances he must sell on the 14th day in order to reach his goal? a) 5 b) 6 c) 7 d) 8

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5

The number of 8th graders who responded to a poll of 6th grade and 8 th graders was one fourtg of the number of 6th graders whi responded if a total of 100 students responddd to the poll how many of the students responded were 6 th graders