I need help with math ASAP

Hurry and answer this! circle x with a radius of 6 units and circle y with a radius of 2 units are shown which steps would prove the circles similar? translate the circles so they share a common center point, and dilate circle y by a scale factor of 4. translate the circles so the center of one circle rests on the edge of the other circle, and dilate circle y by a scale factor of 4. translate the circles so they share a common center point, and dilate circle y by a scale factor of 3. translate the circles so the center of one circle rests on the edge of the other circle, and dilate circle y by a scale factor of 3

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)

Find all solutions for 2y - 4x =2 y = 2x + 1 site: socratic.org