Answer:
So the number of ways of choosing two distinct letters at a time is (42)=6. We can then add the duplicate pairs which are O,O and N,N to give a total of 8 possible pairs.
Answer: please find the attached files
Step-by-step explanation:
A unit circle formula and special triangle of 45, 30 and 60 degrees can be used to solve the problem.
Please find the attached files for the solution
B. 67
C. 43
Answer!!!!!!!!!!!!!!!!!!!
We can't find what PT exactly is because we don't know TQ or x. However, we can find PT in terms of TQ!
Multiply the second equation by seven sixths to get:

Subtract

from both sides to get:

Substituting PT for 7x-24, we see that:

, which is our answer.
Answer:
15a + 12
Step-by-step explanation:
3*5a=15a
3*4=12
=15a+12