Arlene just showing her work in simplifying -7.9+8.2-3.4+2.1 identify any errors in her work or in the reasoning right feedback to Arlene‘s explaining the mistake she made and how to correct her work .LOOK AT THE PICTURE (plz help I’ll mark you brainlist)

the answer is 0.000652422

but if you ment to ask what is 6131 divided by 4, it is 1532.75.

step-by-step explanation:

i have not got your picture clearly so see it once again

to find the perimeter, you add up all the lengths of the sides. in this case you would have to add up 18+22+40+80 which equals 160.

i believe it’s 165 because if u add 137 and 58 u get 195 and then subtract that from 360 and there’s ur answer