PLEASE HELP IM BEGGING REWARD IS 70 POINTS!!!!!

PLEASE HELP IM BEGGING REWARD IS 70 POINTS class=

Answer :

Answer:

aaaah my FIRE ALARM OFF btw i think its number3

Step-by-step explanation:

Answer:

The first one is the answer

Step-by-step explanation:

-2/5(3 - 3/4) = -9/10

All option simplify to -9/10

Except the first one.