Answer:
(A) on edge
He did not distribute the 2 to both components of vector u.
Step-by-step explanation:
The -8 in his work did not change to -16 as it should if it was multiplied by 2
Correct on edge
Answer:
Step-by-step explanation:
Huh explain the question please
144 because 1 ft = 12 inches and 12 x 12 equals 144
Population mean = (7+8+6+6+6+4+4+1+2+7+6+1+1+1+3+3+5+4+5+7) / 20 = 87/20 = 4.35 <==
sample mean = (4+5+7) / 3 = 16/3 = 5.33 <==