You sell triangular flags made from felt. How much felt do you need to make 60 flags?

Matt and brian were solving a system of equations. they both noticed that the two lines had the same slope. brian said that because each line in the system had the same slope, the two lines had to be parallel, which meant the solution to the system was "no solution" matt disagreed, and said they should also look at the y-intercepts before determining how many solutions there were. who is correct?

X-intercept=-5 y-intercept=2 the equation of the line is

How is the number of vertices for a prism related to the name of the prism