Somebody help me out

.45kg

Step-by-step explanation:

because to zero out the scale if it is negative you just need to add a positive of the same number

he will need to add 0.45 kg

Step-by-step explanation: -0.45 is 0.45 away from 0 so if you add 0.45 to it you will get 0. Hope this helps! :)

y > 1/3x

y < = -x + 4

hope this : )

8+10

step-by-step explanation:

you multiply 4 by 2 and 5 by 2