Answer:
42
Step-by-step explanation:
hey 42+9=51 so this can be the ✔️answer
Answer:
um yes no maybe and I'll think about it ;)
Step-by-step explanation:
Use the method of TOA CAH SOH.


Perimeter of triangle = Sum of all sides =

{-2x-5y=13
<u>{2x-5y=17 </u>(+)
<em /> -2x+2x-5y-5y=13+17
-10y=30 /:(-10)
y=-3
2x-5y=17
2x-5*(-3)=17
2x+15=17
2x=2
x=1
<em>Solution: (1; -3)</em>
Given that

<u>Find the nth term:
</u>



<u>Find the 100th term:</u>

<u>Find the Sum:</u>