Factorise x^2-25 pleae help me answer it i will mark you the brainliest help me quick i have test

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

If f(x) = 6x – 4, what is f(x) when x = 8? a2 b16 c44 d52

Which will form a composite function?