Assuming all variables are positive, use properties of logarithms to write the expression as a sum or difference of logarithms or multiples of logarithms. log2 (x^9 y^5 / 8)

options:
1) 9log2 x -5log2 y -log2 8
2) 9log2 x +5log2 y -log2 8
3) (9log2 x)(5log2 y) -log2 8
4) 9log2 x +5log2 y +log2 8

Identify the number 127 as a rational or irrational. explain

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.

What is 140% of 25? because i need