What are the roots of the polynomial equation x^4-7x=6x-12 use graphing calculator and a system of equations

What is the measure of ac? 5 units 13 units 26 units 39 units

Identify the converse of the following conditional: if a point is in the first quadrant, then its coordinates are positive. if the coordinates of a point are not positive, then the point is not in the first quadrant. if the coordinates of a point are positive, then the point is in the first quadrant. if a point is in the first quadrant, then its coordinates are positive. if a point is not in the first quadrant, then the coordinates of the point are not positive.

    choose the correct definition for  extremo.  a.  end      b.  extra      c.  extract      d.  eventual