Abag has 5 red marbles, 6 blue marbles and 4 black marbles. what is the probability of picking a
black marble, replacing it, and then picking a blue marble?
4/45
8/75
2/15
1/9

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula , what is the temperature in celsius corresponding to r degrees rankine? a. 9/5(c - 273) b. 9/5(c + 273) c. 5/9( c - 273) d. 5/9( c + 273)