PLEASE HELP ASAP! An archway will be constructed over a walkway. A piece of wood will need to be curved to match a parabola. If the focal point is (2,5) and the directrix is y = -7. Find the equation of the parabola

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.

Saline iv fluid bags cost $64.20 for 24, 1000 ml bags from one supplier. a new supplier sells 500 ml bags for $2 each. the hospital uses about 10,000, 1000 ml bags each month. nurses report that about half of the bags are more than half full when they are discarded. if you are going to use only one supplier, which size bag provides the best deal, and how much will you save each month? compare the cost of the new supplier to the current one.

The area of square garden is 300m squared. how long is the diagonal?