Yis inversley proportionaly to x. when y=7, x=9

a) work out an equation connecting y and x
b) work out the value of y when x=21

What is the difference between the number of adult dogs at the park on monday and tuesday

What’s the numerical coefficient of 6xy

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