A midpoint of the sequence of numbers is B. Median.
Answer:
the first one
Step-by-step explanation:
y-y1=m(x-x1)
y-20=12(x-3)

simplify:

Answer:
(4 x 3) / 2
Step-by-step explanation:
Answer: -1.1 , 2.4 , 1.51
Step-by-step explanation:
Since it is a conventional , mathematicl notation