Determine the truth value of each statement in each item. The domain of discourse is the set of real numbers. Justify your answers. 1.For some x, for some y, x2 < y + 1
2.For every x, for every y, x2 + y2 = 9
3.For some x, for some y, x2 + y2 = 9
4.For some x, for every y, x2 + y2 = ≥0
5.For every x, for some y, if x < y, then x2 < y2

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.

How do you solving the solution of each system using elimination?

An account with a $250 balance accrues 2% annually. if no deposits or withdrawals are made, which graph can be used to determine approximately how many years will it take for the balance to be $282? it's e2020 ni️️as