*do not answer if you are not sure ! if  is reflected across the y-axis, what are the coordinates of a'?

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

Both the red and blue line segments stretch from the center of the circle to a point on the circle. the length of the blue segment is 5. how long is the red line segment?

100 points, hi, i’m not sure how to get the equation from the graph and table.