A biased coin has probability of landing heads and probability of landing tails. The coin is flipped until the very next occurence that matches the initial flip. On average, what is the total number of flips required (including the first one)?

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?

15 points what is the end behavior of this graph? & what is the asymptote of this graph?

The cost of a taxi ride includes an initial charge of $2.00. if a 5km ride cost $6.00 and a 10km ride cost $10.00, determine the cost of a 15km ride.