Answer:

Step-by-step explanation:
GIVEN: A hotel charges a
annual fee plus an additional
for each night you stay there.
TO FIND: average cost per night if you stay at the hotel for
nights.
SOLUTION:
Annual fee charged by hotel 
amount charged each night we stay there 
Total number of nights we stay 
Total amount paid for
nights

Total amount paid 


average cost per night 
putting values,
average cost per night 

Hence average cost per night if we stay at hotel for
days is 
X = 30
Y = 20
Let me know if you want me to show my work (:
I 100% positive the answer is <span>C) Their measures should add up to be 90° </span> i just took the test and the answer above me is 100% wrong
Pentagons are and example.
Just subtract the number infront of missing number to the opposing number