In a high school, a student has an option of 3 foreign languages, training for 4 different musical instruments, and 6 types of outdoor activities. how many ways can a student select a foreign language, an instrumental training, and an outdoor activity?
can someone explain how to do this and why it's done this way for this specific type of probability/total outcomes problem?

4 and 5)16.97 or 12√2

6)15.59 or 9√3

7)y = 15.59 or 9√3     x =27

8)17.80

step-by-step explanation:

when the line is solid:

when the line is dashed:

this > inequality sign means:

this < inequality sign means:

this > inequality sign means:

this < inequality sign means:

about the problem:

srry i'm not done ! i'll

b

step-by-step explanation:

i dont know

they charge the same amount at 20 minutes.

step-by-step explanation: