Given vectors u and v, find: v - 3u. 
u = 2i, v = i + j

Find the dot product for each pair of vectors.

〈5, 2〉, 〈-4, -10〉

Find the dot product for each pair of vectors.

4i, 5i - 9j

Find the magnitude and direction angle for each vector. Round angle measures to the nearest tenth, as necessary.

〈5, 7〉

Given vectors u and v, find: 2u + 3v.

u = 2i, v = i + j

Given vectors u and v, find: 2u. 

u = 〈-1, 2〉, v = 〈3, 0〉

Given vectors u and v, find: 2u + 3v. 

u = 〈-1, 2〉, v = 〈3, 0〉

Given vectors u and v, find: v - 3u. 

u = 〈-1, 2〉, v = 〈3, 0〉

A force of 30.0 lb is required to hold an 80.0-lb pressure washer on an incline. What angle does the incline make with the horizontal?