State the number of real zeros. Approximate each zero to the nearest tenth. approximate the relative minima and relative maxima to the nearest tenth.

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.

Does anyone know how to solve and graph this: 4 + | a + 2 | < 7the only part i don't get is the "4 +"

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?