Determine if these matrices are inverses by calculating AB: matrix 1matrix 2 matrix 3 c11 = ⇒ 1 c12 = ⇒ 0 c21 = ⇒ 0 c22 = ⇒ 1 So the matrices inverses of one another. Now calculate BA: matrix 4 Find d11 = d12 = d21 = d22 =

Given that de, df, and ef are midsegments of △abc, and de=3.2 feet, ef=4 feet, and df=2.4 feet, the perimeter of △abc is .

If angle 2=3x +1 and angle 3=2x +4what is angle 2

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.