Please help. it's due tonight. A lighthouse is located on a small island 4 km away from the nearest point P on a straight shoreline and its light makes nine revolutions per minute. How fast is the beam of light moving along the shoreline when it is 1 km from p? (Round your answer to one decimal place.) ​

Which is the completely factored from of xy^3-x^3y

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.

Abakery recorded the number of muffins and bagels it sold for a seven day period. for the data presented, what does the value of 51 summarize? a) mean of bagels b) mean of muffins c) range of bagels d) range of muffins sample # 1 2 3 4 5 6 7 muffins 61 20 32 58 62 61 56 bagels 34 45 43 42 46 72 75