Question

31 POINTS!!!! I WILL MARK BRAINIEST AND AWARD POINTS, PLEASE PROVIDE WORK OR YOU WILL NOT BE QUALIFIED TO BE MARKED BRAINEST

Answer 1

Firstly the scattered point hare a positive correlation
Let's take 2 points on the graph, point A and point B (calculation will be approx)

A(19,41) and B(50, 76) [don't forget we are choosing the points with a certain approximation) 

Slope = (76-41)/( 50-19), then slope m= 35/31 ≈ (1.12). Now let's find the equation y = mx +b, y = (1.12) x + b. To that end replace x and y by any of A or B, say A(19,41); 
41 = 1.12(19) + b so b= 19.7
And the TREND LINE equatio become y = 1.12x + 19.7 , which looks very much as y = x + 20, so y=x + 20 is the line tat best represents the real trend line y ≈ 1.12 + 19.7

Answer 2

Here is the final answer:
y=x+20. Hope it help!