Rudy has $584.00. Does he have enough to buy a viola and an oboe ? How much is needed?

Precalculus question, image attached.

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

Consider the sequence below. 3 , 1 , 1/3 , 1/9 , select the explicit function which defines the sequence.