Calculate the area of a circle with a radius of 3.5 cm

What is the arc length of the subtending arc for an angle of 72 degrees on a circle of radius 4? o a. 8a oc. 16 t d. 8

What is 10+10+20 about the origin the square root of a triangle.

Graph the system of equations. { x-y=6 4x+y=4use the line tool to graph the lines. where do i put each point?