A bag contains 15 marbles. The probability of randomly selecting a green marble is 3. The probability of randomly 1 selecting a green marble, replacing it, and then randomly selecting a red marble is 15. What is the probability of randomly selecting a red marble? A- 1/45 B- 1/5 C- 4/15 D- 2/5​

Ineed with number 17 i don’t get it at alll

Each of the walls of a room with square dimensions has been built with two pieces of sheetrock, a smaller one and a larger one. the length of all the smaller ones is the same and is stored in the variable small. similarly, the length of all the larger ones is the same and is stored in the variable large. write a single expression whose value is the total area of this room. do not use any method invocations.

Two poles, ab and ed, are fixed to the ground with the of ropes ac and ec, as shown: what is the approximate distance, in feet, between the two poles? 6.93 feet 8.66 feet 12.32 feet 15.59 feet