PLEASEE HELP MEEE WITH QUESSTIONNSS 7 AND 8

QUESTION: (IT IS IN BOLDED WHICH IS SHOWN IN THE PICTURE)

Simplify 4 square root of 2 end root plus 7 square root of 2 end root minus 3 square root of 2 . (1 point) 2 square root of 8 8 square root of 2 8 square root of 6 6 square root of 8

What is 96 divided by 7,488mark as brainliest

What is the result of adding the system of equations? 2x+y=4 3x-y=6