In a simple aquatic food chain, plants are eaten by small herbivorous fish. these small fish are eaten by larger fish. which of the following terms describes the large fish in this food chain?
a. primary consumer
b. producer
c. secondary consumer
d. tertiary consumer

I'm terrible at math any here is appreciated.

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?

What is coefficient of the term of degree of degree 5 in the polynomial below