Will give brainliest to who answers correctly
factor completely 4x2 + 36x + 81.
a. (2x + 9)(2x + 9)
b. (2x − 9)(2x − 9)
c. (4x + 9)(4x + 9)
d. (4x − 9)(4x − 9)

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