Find the solutions of (x – 4)(x – 4) = 0. Question 4 options:

A)

x = –4

B)

x = 4, –4

C)

x = 0

D)

x = 4

Let u = < 7, -3> , v = < -9, 5> . find 4u - 3v. < 55, -27> < 1, 3> < 16, 12> < -8, -6> i have no idea where to get started, so if you can explain how to solve this i would appreciate it!