Use the dot product to find v when v=(-2,1)

cross multiplying, we get :

⇒ (3) × (5) = (9) × (x)

⇒ 15 = 9x

you should talk someone who owns the website about it. you did not deserve to have all that hard work and time taken away. id watch videos of little puppies to cool you down, and maybe some nacho cheese doritos.

arc length = radius * x ( in radians)

6 * pi = 18 * x

divide by 18 on each side

6 pi / 18 = x

pi/3 = x

the angle is pi / 3 radians

or   60 degrees

c. he organized a political resistance group based on islam.