Whats the answerrr??..

What is the missing constant term in the perfect square that starts with x^2 -20x

The scatter plot graph shows the average annual income for a certain profession based on the number of years of experience which of the following is most likely to be the equation of the trend line for this set of data? a. i=5350e +37100 b. i=5350e-37100 c. i=5350e d. e=5350e+37100

Which of the following graphs represents the function f(x) = 2^x