12 squared -4 (6)+1 over 11 squared

What is the exact area of a circle with a diameter of 50 centimeters? a.87.9 square centimeters b.379.9 square centimeters c.1962.5 square centimeters d.4923.5 square centimeters

Write the slope-intercept form of the line that passes through the point (1, 0) and is parallel to x - y = 7. t

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4