The ratio of an object's weight on earth to its weight on neptune is 5 : 7. how much would a person who weighs 150 pounds on earth weigh on neptune? a. 107 1/7 pounds b. 750 pounds c. 170 pounds d. 210 pounds

What is the number 321,000,000 in scientific notation? also what is the number? ?

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.

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length