Ayuda por favor es para oy antes de las 2 ​

What is the result of adding the system of equations? 2x+y=4 3x-y=6

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

Iknow its nothing to do with education, but what type of thing should i wrote here? ? : ) its for mcdonald's btw.