At the space center, Karen bought a model of a shuttle. She started working on the model the next day at 11:13 A. M. She worked until leaving for lunch at 11:54 A. M. After lunch, she worked on the model again from 1:29 P. M. Until 1:46 P. M. How long did Karen work on the model? Karen worked on the model for minutes.

Taking algebra two apex courses and need with these questions

Ahiking trail is 6 miles long. it has 4 exercise stations, spaced evenly along the trail. what is the distance between each exercise station?

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil