Sixty five students picked up trash on clean up day. Each student filled 5 bags of trash. Which equation could be used to find the total number of trash bags filled

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

Can someone me and do the problem plz so i can understand it more better

Is the square root of 4 plus the square root of 16 rational?