6. BIRDS A bird call manufacturer sold 8.4.4.8.4 calls in two months. How
many calls did the manufacturer sell?

incomplete question. how do you expect anyone to you when you do not post the question in its entirety?

answer: .64

step-by-step explanation

set up the formula for standard deviation for this set of numbers, then simplify

are ya tryin to ask something or is this a statement

180°

step-by-step explanation:

sum of equilateral triangle=180°

< n=60°

< m=120°°[angle supplementary of equilateral angle]

< m+< r+< x=360°(sum of exterior angle of triangle)