A high school program is having flour delivered for cakes they plan to make. An online store charges $2.00 per pound of flour plus a delivery fee of $15. A supermarket store charges $3.00 per pound plus a delivery fee of $5. ● Write an equation that represents the total cost of flour at an online store.
● Write an equation that represents the total cost of flour at a supermarket.
● Use Desmos to graph each equation.

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 percentile for data value 6 in the following data set? 4 13 8 6 4 4 13 6 4 13 2 13 15 5 9 4 12 8 6 13 40 25 35 62

Use matrices to solve this linear system: 5x1 − 2x2 = −30 2x1 − x2 = −13 x1 = x2 =