The profit function of a firm is of the form π=aQ2 +bQ+c
If it is known that π = 9, 34 and 19 when Q = 1, 2 and 3, respectively, write down a set of three simultaneous equations for the three unknowns, a, b and c. Solve this system to find a, b and c. Hence find the profit when Q = 4.

Find percent notation for 0.008 0.008=

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.

What is the radical expression that is equivalent to the expression 27 1 over 5?