Answer:
Hello, I am having difficulties understanding thsi question, could youplease help me out so I can help you out?
Step-by-step explanation:
<h2>Thank you! </h2><h2>-Brainly User</h2>
Consider the arithmetic series 
Let t=1 in the given series, we get
first term =
= 3-4 = -1.
Let t=2 in the given series, we get
second term =
= 
Let t=3 in the given series, we get
third term = 
Now, let t=18 in the given series, we get
last term = l = 
We get the series as
-1, 2, 5,..... 50
Sum = 
= 
= 
= 441
Therefore, the sum of the given arithmetic series is 441.
Hey there!
Firstly, you need combine your like terms

stays the SAME 

- Combine the negative and the plus and make a negative symbol

Good luck on your assignment and enjoy your day!
~
Answer:
use desmos
Step-by-step explanation:
put y=3x+4 and make a graph from that its really helpful trust me
Answer:
12 players on each team
Step-by-step explanation:
144 players/ 12 teams = 12 players on each team. Hope it helps!