A DVD has a diameter of 15 millimeters. Which equation would help you determine the circumference?

If the scale factor between two circles is 2x/5y what is the ratio of their areas?

It is given that the quadratic equation hx²-3x+k=0, where h and k are constants, has roots [tex] \beta \: and \: 2 \beta [/tex]express h in terms of k

Two triangles can be formed with the given information. use the law of sines to solve the triangles. b = 49°, a = 16, b = 14