Respuesta :

DJ4Y
For a add all of it up

Answer would be -18

For b

Divide -18 by 4

Answer: 4.5

For 39.

The answer is -60

If the total is -75, just subtract by -60 for proof of the answer.
murilon
38.

A. Would be -18 because you add all the numbers.
B. Is 4.5, because you get the sum(-18) and divide by the amount of factors( 4 )

39.

It is gonna be -60 because -75 minus -15 equals -60.

I hope it helped :)