MZTRI 3x - 5, MZIRB = x + 27, and mTRB Does RI bisect TRB?

Aplane flies around trip to philadelphia it flies to philadelphia at 220 miles per hour and back home with a tailwind at 280 miles per hour if the total trip takes 6.5 hours how many miles does the plane fly round trip

I’m still confused on how to work the percentages

Identify the parent function that can be used to graph the function f(x)=3(x-9)2