8 costs 40 so 10 costs | 40 / 8 = ( 5*2=10) So your answer is 50 Dollars.
Answer:
The element you add is 
Step-by-step explanation:
The element you add is 
Remember that

So, in order to complete the square you add 
But when you multiply times
you get

the fees in 1997 was $3088
fees in 2000 was $3292
average rate of increase= (3292-3088)/(2000-1997) = 204/3=68
so average rate of increase is $68 per year
Answer:
C
Step-by-step explanation:
over the interval [-1,1], f(x) is greater than 0
The answer is -10.
I hope this is right...