One dozen mangoes cost $120.00. what is the cost of 8 mangoes??​

$80.00

Step-by-step explanation:

12m = 120

m = 10

Therefore, 8m must equal 80.

The cost of 8 mangos would be $80.00

Step-by-step explanation:

A dozen is equal to 12 so its 10 bucks per mango since there are 12 mangos

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