Plz help this is so hard

Johnny bought 3 boxes of pies. For each pie, he ate 7/8 of the pie. How much pie did Johnny eat?

The answer will be 2 5/8 or 21/8 pies

Step-by-step explanation:

Hope this Helped

it happens during combustion and impacts the environment because the plants and trees take in that and it can cause them to die.

f(x) = x^3 -2x^2 -3x

x( x^2 -2x-3)

x( x^2 +x -3x -3)

x( x(x+1) -3(x+1))

x( x-3)( x+1)

so zeroes are 0, 3,-1

its (2) option