in reperul cartezian xOy se considera punctele A(1,2) ,B(5,2),si C(3,-1). Sa se calculeze perimetrul triunghiului AB

Can someone answer it, and plot it, for 20 points and brainliest answer? p. s. they're the same ! : )

Bobby bought 1.12 pounds of turkey at a cost of 2.50 per pound. carla bought 1.4 pounds of turkey at a cost of 2.20 per pound. who spent more and by much?

Aschool allots ? 1500 to spend on a trip to the theatre. theatre tickets have a regular cost of ? 55 each and are on offer for 1 5 off. a train ticket for the day will cost ? 12 each. if 2 teachers and the maximum number of students attend, how much money will the school have left over?