GUYS TY SM LIKE SERIOUSLY THERES 40 QUESTIONS BUT I KNOW SOME/MOST

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

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.

In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?