I need help please. working on please only serious people who wants the points.​

Acamper leaves camp on a kayak and travels 50 miles east on a river, then he ties his kayak to the bank and travels 20 miles north on a bicycle. this trip can be plotted on the coordinate plane, where the camp is the point (0, 0). the distant of the camper to the camp can be found using the distance formula. which other formula can he use? a) 502 - 202 b) 502 + 202 c) 502 - 202 d) 502 + 202

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

What is always true about a positive integer raised to a negative odd power?