Which ratios form a paportion?
a: 4/9, 12/25
b: 3/7, 18/42
c: 5/11, 20/45
d: 5/8, 15.25

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

What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14

Acompany made a profit of 75000 over a period of 6 years on an initial investment of 15000 what is the annual roi