Steven bought 100 tokens for $125. lola bought 50 tokens for $110 are the ratios equivalent

Which of the following lines is not parallel to the graph of y = 4x +7?

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

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?