Put in standard form (x-2)(x+2)(x^2+4)

i dont know it

step-by-step explanation:

b

step-by-step explanation:

a difference is the result of subtraction. while each of these expressions has subtraction in it, a difference will be the result when subtraction is the last operation applied in the order of operations for the expression. this means subtraction must be outside of the parenthesis. only b has this.

probability for j is 1/4

while

a is 1/6