Which of the following is a Prime Number? 9, 5,4 ​

5

Step-by-step explanation:

9 = 1,3,9

5 = 1,5

4 = 1,2,4

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

3 1/3 x 2 3/5 = 8 2/3

step-by-step explanation:

just multiply the first number by the second number to get your answer.