. The streets in MidTown are laid out on a grid. If Oak St can be
represented by the equation
6x + 18y = 5, select all the
equations of lines that could
represent roads perpendicular to
Oak St.
◻ A. y = 3x − 10
◻
B. x = 3
◻
C. y + 6 = 3(x − 15)
◻
D. 3x + 9y = 8
◻
E. 2x − 3y = 5

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 is working backward similar to solving an equation?

The price of a dozen eggs was $1.63. suppose the price increases m dollars per dozen and then the price decreases $0.12 per dozen. which expression represents the current price of eggs after the two price changes?