1. Find the indicated quantity. v = -4i + j and w = 6i + j. Find ||v + w|| (magnitude of v + w)

2. Solve the problem given that15 and=0o

.3. If P = (-1, -7) and Q = (x, -10), find all numbers x such that the vector represented bypq has a length of -5

4. Find the unit vector having the same direction as v if v = 7i.

5. Find the angle between v and w if v = -8i + 8j and w = -3i + 6j.