The area of a circle is 9 ft2. What is the circumference, in feet? Express your answer
in terms of .

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?

Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.

Find the center of the circle that can be circumscribed about efg with e(4,4) f(4,2) g(8,2)