If f(x+5)=x^2+kx+30 what is k equalled to?

Which of the choices shown could be used to prove that aacp=abcp ?

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.

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