8pencils cost $3.44.what is the unit rate of one pencil?

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

Find dy/dx using implicit differentiation ln(20+e^xy)=y

The function f(x) = 14,600(1.1)* represents the population of a town x years after it was established. what was the original population of the town?