If the ratio of the radii of two spheres is 1 : 8, what is the ratio of the surface areas of the two spheres? 1 : 8 1 : 512 1 : 64 r2ππ : 8r2π

In the triangle abc< angle c is a right angle. find the value of the trig function indicated. find tan a if a =12, b=5 a. 13/12 b. 12/13 c. 5/12 d.12/5

Given a(-12,5) and b(12,29) find the point that divides the line segment ab three-eighths of the way from a to b

Adam drew two same size rectangles and divided them into the same number of equal parts. he shaded 1/3 of one rectangle and 1/4 of the other rectangle. what is the least number of parts into which both rectangles could be divided into?