For every 19 litres of petrol a car can run for 50 km. How much petrol do you need (to 1 DP) to ensure the car has enough petrol of a trip that is 130 km?

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

A(t)=728(1+0.04)^t how much money did aditya originally invest

Could someone with number 1 and 2