Acompany had 80 employees whose salaries are summarized in frequency distribution find the standard deviation

answer: 0+0=0

step-by-step explanation:

that is the only answer that can make 0

to find the perimeter of the rectangle this is the expression:

x-9+x-9+3x-4+3x-4=138

if we simplify it:

8x-26=138

remember, 138 is what it all adds up to

the length is 11.5cm

the width is 57.5cm

the area is 661.25cm^2

the answers might not be correct use at own risk

the answer for this is 0.25 km. : )