Maria buys 8 bags of potatoes. Each bag has a mass of 4 kg. What is total mass of the potatoes she buys?

A. 4 kg
B. 8 kg
C. 12 kg
D. 32 kg
E. 36 kg

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.

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?

Consider the image of klmn for the translation (x, y) → (x – 2, y – 1). what is the ordered pair of l′?