Ineed an answer for part a and b plz

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation

Question 1 of 10 2 points different groups of 50 graduates of an engineering school were asked the starting annual salary for their first engineering job after graduation, and the sampling variability was low. if the average salary of one of the groups was $65,000, which of these is least likely to be the average salary of another of the groups? o a. $64,000 o b. $65,000 o c. $67,000 o d. $54,000

What is the simplified form of square root of 400 to the 100th power ?