Diana invested some money in a bank at a fixed rate of interest compounded annually. the equation below shows the value of her investment after x years:

f(x) = 400(1.01)x

what was the average rate of change of the value of diana's investment from the second year to the fifth year?

1.01 dollars per year
2.47 dollars per year
4.12 dollars per year
12.36 dollars per year

Isee the amount was $90.00 then reduced to $75.00 , what is the percent ?

Hii1977 cleaner shrimp are a species of shrimp that clean parasites from other organisms. fish allow the shrimp to eat the parasites in their mouth. the shrimp get a source of nutrition. the relationship between the shrimp and the fish is this association indicates that for the smaill aneser arecommensal, mutualistic, or parasitic for the begger one the anser are the shrimp and fish benefit each other , the shrimp harm the fish, or the fish do not benetit from the shrimp

Jordan got 27 out of 90 correct on his test . what fraction of the marks did her get correct