Pls help a playa out I have no idea what we doing

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

100 points, hi, i’m not sure how to get the equation from the graph and table.

What numbers are included in the set of integers? what numbers are not included?