70.59 is 363.846154% of 19.5.

Hope you could get an idea from here.
Doubt clarification- use comment section.
Answer:
0.000307
Step-by-step explanation:there will be no explaintion but it should be correct
Answer:
False
Step-by-step explanation:
The statement is False, because the average value of a funciton f(x) on an interval is given by the value of the integral of the function on that interval divided by its length. In this case, the integral is right, but we are not integrating exactly f, and thats why the average value is not given correctly.
Question 3 is D and question 4 is c for what I tell of the pictire