Math 20 points + brainliest relations

Atriangle has sides with lengths of 10 yards, 13 yards, and 18 yards. is it a right triangle?

My math teacher told my class to "steal" a 6th grade fraction word problem from the internet, word problems? : -p requirements: only a 1 step word problem. needs to be complex.

You got a job selling magazines door-to-door. you are paid $100 per day plus $1.50 for each magazine you sell. which recursive formula models this situation?