For what value of x does the series x+x/1+x+x/(1+x)^2+x/(1+x)^3 converge? also find the sum of which it converges​

What is the relationship between all triangles that can be drawn given the same three angles

Delbert keeps track of total of the total number of points he earns on homework assignments, each of which is worth 60 points. at the end of the semester he has 810 points. write an equation for delbert’s average homework score a in terms of the number of assignments n.

Which of these lines passes through the point (1,-1) and has a slope of -3?