\f008 10.0 points 1. scalar projection = -3 Which of the following statements are true for 2. scalar projection = all vectors a, b? A. Ja . b) = la| |b|, a/0, b/0 => 3. scalar projection = alb, B. Ja+b= = |a|+2a . b+[b|2, 4. scalar projection = C. la . b| |allbl| 5. scalar projection = 1. all of them 2. A and B only 011 10.0 points 3. Bonly 4. B and C only The box shown in 5. A and C only 6. Conly 7. none of them C B 8. A only 009 10.0 points D Find the angle between the vectors a = (-1, -2v/3), b = (v3, -7). 1. angle = 2. angle = is the unit cube having one corner at the origin and the coordinate planes for three of its adjacent faces. 3. angle = Determine the projection of AD on AB. 4. angle = 1. projection = (i- k) 5. angle = 2. projection = (i+j - k) 6. angle = 3. projection = 50 -k) 010 10.0 points 4. projection = -=(i+j- k) Find the scalar projection of b onto a when b = (-5, -3) , a = (4, -3) . 5. projection = 191 - ;(j -k)