NO ONE IS HELPING ME PLEASE IM FINNA CRY I SWEAR I BEGGING YOU !(85 points) 1 question is first image

2 question is second image

3 question is third image

1)13/3 2)-1/2 3)5/6

Step-by-step explanation:

1) Determine the sign(since there is 2 negatives it turns positive)

Then you simplify the complex fraction to 4/3+3

Then you calculate

2) Determine the signs you get to -6+4/-1+5

calculate -2/4

then solve

3) multiply everything to get 8-(5+(-12))/16+2

Then you calculate 8-(5-12)/18

Calculate again8-(-7)/18

step-by-step explanation:

mean or average is 40.6