The profit p in thousands of dollars that a manufacturer makes is a function of the number N of items produced in year and the formula is as follows p= (-0.2N)^2+3.6N-9. How many items should they produce to get this maximum profit

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

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers