One half of one tenth is what fraction?

What is the quadric regression equation that fits these data

Plz i beg u asap ! what is the equation of this graphed line? enter your answer in slope-intercept form in the box.

Asquare has a side that measures 11 units. what is the area of a circle with a circumference that equals the perimeter of the square? use 3.14 for π, and round your answer to the nearest hundredth. 1519.76 units2 379.94 units2 616.56 units2 154.14 units2