Which ordered pair represents the x- intercept?

Can someone answer it, and plot it, for 20 points and brainliest answer? p.s. they're the same ! : )

Your friend uses c=50p to find the total cost, c, for the people, p, entering a local amusement park is the cost of admission proportional to the amount of people entering the amusement park? explain.

Determine which postulate or theorem can be used to prove that lmn =nmo