If the equation 3^x = 2^-x +4 is solved using successive approximation, select the value of x after the three iterations.

Which system of linear inequalities is represented by the graph? !

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?

Parabolas y=−2x^2 and y=2x^2+k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.