At the beginning of the week, miguel's odometer reads 87,845. at the end of the week, his odometer reads 88,003. how many miles did miguel travel that week?

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.

X+y=-4 x-y=2 use elimination with adding and subtraction

Factor the polynomial expression x6 – x3 – 20