Solve the equation x5 – 4x^4 + 4x^3 + 2x2 – 5x + 2 = 0 in the real number system.

Match the term on the left with its image or description on the right. match term definition diameter a) circle a and a line segment connecting points b and c which are on the circle. circumference b) circle a and a line segment connecting points b and c which are on the circle. radius c) a piece of the circumference of a circle secant d) two circles that share the same center. concentric circles e) the distance around a circle arc f) a segment between two points on a circle that passes through its center

Find the multiplicative inverse of 8-12i

Find the solution of this system of equation -7x+y=-20 9x-3y=36