Basic Highschool Math Circles, need answers quick please and thanks

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

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?

What’s 8y+48 and factor each expression completely