Answer: -287
Step-by-step explanation:
The given pattern: 9, 1, -7, -15, ….
We observe that ,
First term : a=9
Common difference between the terms= 1-9=-8
For Arithmetic sequence , the formula to find the nth term is given by :-

Then, 38th term will be :-

Hence, the 38th term of the sequence.= -287
Answer: 90
Step-by-step explanation: Multiply each side by 18.
Answer: Hey just answered your other question the answer is 7 btw just comment if you need anything I am trying to get to all your other questions!
Answer:
m anglw ABD answers is 50 degree