Which input in the table is incorrect?

The correct is 6 dollars

Step-by-step explanation:

because it doubles every time so 24 doubled is not 56 it is 48

i think it's ф or x=6,-6

step-by-step explanation:

-x^2=-36

x^2=-36

ф

or

if you mean by : -(x^2)=-36

it'll be: x^2=36

x=6,x=-6

hope it'll ! have a good day!

you for asking!

b

step-by-step explanation:

u take $75 minus $60.the anwer/original($75)multiply by 100