The mean age of 5 people in a room is 32 years.
A person enters the room.
The mean age is now 36.
What is the age of the person who entered the room?
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Which system of linear inequalities is represented by the graph? + l tv x-3y > 6 and y > 2x o x + 3y > 6 and y o x-3y > 6 and y> 2x o x + 3y > 6 and y > 2x + 4 la +

How do you use the elimination method for this question? explain, because i really want to understand!

These tables represent a quadratic function with a vertex at (0, -1). what is the average rate of change for the interval from x = 9 to x = 10?