Please complete the 9 easy practice questions below

Math 120 Hw 13: Problem 14 (1 point) Consider the vector v = (-3-7) What is its magnitude? Answer: What is its direction? Answer:Math 120 Hw 13: Problem 15 (1 point) Consider the vector v = (7, 18). What is its magnitude? Answer: What is its direction? Answer:Math 120 Hw 13: Problem 16 (1 point) Consider the vector # = (-7. -8 -7). What is its magnitude? Answer: What is its direction? Answer:Math 120 Hw 13: Problem 17 (1 point) Let a = (-3, -8, -3) and b = (0, 8, -3) be vectors. Compute the following vectors. Aatb=( )[ B. 8a = 000 C.a-b-q .0 0 D. a =Math 120 Hw 13: Problem 19 (1 point) Suppose u = -3i - 5k, v = 2i + 4j - 3k and w = -2i - 2j - k. Compute the following values: u + 1 = 1-24| + 20= |4u - 20 + W=Math 120 Hw 13: Problem 20 (1 point} Find unit vectors that satisfy the given conditions: 1. The unit vector in the same direction as ('2, 2) isII. help (vector5) 2. The unit vector oppositely directed to 51' 33? + 5k is I.I 3. The unit vector that has the same direction as the vector from the point A : {t}, 3] to the point B : {4, 3] i5 II. Math 120 Hw 13: Problem 21 (1 point) Let a, b, c and y be the three dimensional vectors a = ]+4k, 6= -57+33+ k,