Answer:
C. 8a - 36
Step-by-step explanation:
a + 3a - 4(9-a)
a + 3a - 36 + 4a
8a - 36
I think the answer is zero
I hope this helps
One example is when n is 11. 11^2 + 4 = 125. 11 is odd but the 11th term of the sequence, 125, is not prime because 125 is divisible by 5 and 25.
Answer:
Option A
Step-by-step explanation:
The complete question is shown in the attachment.
The sum of angles in a triangle is 180 degrees.
This implies that:

m<A+138=180
m<A=180-138=42
Now we use the sine rule to find AC=b

This implies that:


Answer:
Graces expect her Favorite team can win 99 games.
Step-by-step explanation:
Total games needs to be played = 162
So far graces favorite team won 11 games and lost 7 games
Games Won = 11
Games lost = 7
Total games played till now = Games Won + Games Lost = 11 +7 =18
Now we will find the winning percentage of the team.
Winning percentage can be calculated by dividing Games won with total games played till now and the multiplied with 100
Winning Percentage = 
We need to find Total games team can win at same rate.
Games team can win can be calculated by multiplying Total games needs to be played this season with Winning Percentage.
Games team can win = 
Hence Graces can expect her favorite can win approximately 99 games.