Help if you know math but the answers only thank you

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?

Why did the ice arena get so hot after the big game (this is math related google it to find the paper

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.