Answer:
120 words
Step-by-step explanation:
There are only three possible letters, assuming words can be 1, 2, 3 or 4 letters long:
The number of 1 letter words is 3
The number of 2 letter words is 3² = 9
The number of 3 letter words is 3³ = 27
The number of 4 letter words is 3⁴ = 81
The total number of possible words is:

This tribe's language has 120 words.
Answer:
-a^2 or -b^2.
Step-by-step explanation:
Attached the solution and work.
Answer:
<u>(7x + 6) tickets</u>
Step-by-step explanation:
Tickets Ross has : 8x - 5
Tickets Ross needs : 15x + 1
To find out the remaining amount, subtract the tickets Ross has from the number of tickets he needs.
- 15x + 1 - (8x - 5)
- 15x + 1 - 8x + 5
- <u>(7x + 6) tickets</u>