This is kinda hard do you know how to do it?

Which fraction below is equivalent to 10/12?

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?

What is the probability of throwing several dice with sum equal to 6 (six)? show the ways of possibilities for sum 6 (as the numerator) and the ways of throwing n dices for n = 1, 2, 3, 4 or 5 as denominator for all the questions to earn full credits. (a)throw one die, (b) throw two dice, (c) throw three dice (d) throw 4 dice, (e) throw 5 dice