Natalie has a box containing 26 tiles, each with a different letter of the alphabet. she randomly chooses 5 letters. which expression represents the probability that she will choose five vowels (not counting y as a vowel)?

Darcy deposited $390 into a savings account. as long as the account balance remains at or above $150, she does not have to pay a service fee for the account. for how many months can she withdraw $40 a month without having to pay service fees? a) 3 b) 5 c) 6 d) 9