Someone me .ik confused with reasonable with this problem ..identify the reasonable domain and range for the function f(x)=15x+80

What is the fewest number of full weeks briyana would have to work to have enough money? 8 weeks9 weeks 10 weeks11 weeks

Need solving this second acceleration problem.

Given the points a(-2, 1) and b(8, 6), find the coordinates of the point c on directed line segment ab, that partitions ab in the ration 2: 3.