Total number of friends = 3
Let the fare be = $ J
As it is equally divided, each friend has to pay
amount
Angela paid $5 additional as tip so her share is 
Hence,Angela paid $
in total.
Answer:
1. (i) 7, 21, 63, 189
(ii) 20, 10, 5, 2.5
2. (i) n²+n (where n = 1, 2, 3, ..)
(ii) 8/(10^n) (where n = 1, 2, 3, ..)
(iii) 1/(n+1) (where n = 1, 2, 3, ..)
Answer: 50x50 is 2500
Step-by-step explanation: question is a bit confusing
Answer: i don’t know
Step-by-step explanation: my brain hurts from trying to figure this out sorry
No it is NOT possible - that would mean the final angle would also have to be ninety degrees making it a square or rectangle. :)