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1 , 3,4

Step-by-step explanation:

1

We can multiply both by 8

So, 8x and -24

So its correct

2We multiply 8 by both

So, we have 8x-192

So, no

FIrst, we can do 9 and apply it to both x and -3

So, 9x-27-x+3

So, 8x-24

SO, yes

4

5+3*x = 8x

So, 8x-24

So yes

there would be 162.15 calories in this cereal.

step-by-step explanation:

i honestly dont know