An office manager is taking inventory of some of the equipment in the office in order to determine what new equipment should be ordered.

according to the diagram, how many machines perform all 3 functions (print, copy and fax)?
a) 3
b) 4
c) 5
d) 6

b

step-by-step explanation:

a difference is the result of subtraction. while each of these expressions has subtraction in it, a difference will be the result when subtraction is the last operation applied in the order of operations for the expression. this means subtraction must be outside of the parenthesis. only b has this.

i need a picure

step-by-step explanation:

answer: .64

step-by-step explanation

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

the first option is the answer.