Answer each question yes or no. (a) must two quantities have the same dimensions if you are adding them? yes no (b) must two quantities have the same dimensions if you are multiplying them? yes no (c) must two quantities have the same dimensions if you are subtracting them? yes no (d) must two quantities have the same dimensions if you are dividing them? yes no (e) must two quantities have the same dimensions if you are equating them? yes no

Saline iv fluid bags cost $64.20 for 24, 1000 ml bags from one supplier. another 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 would you choose and how much would you save with that choice? show calculator try it! if you buy 1000 ml bags, how many do you need to buy each month? type your answer in the space provided and click on the check answer button.

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

The circumference of a redwood tree trunk is 20π ft, and it is 100 ft tall. what is the approximate volume of the redwood tree trunk? 1,000π ft3 10,000π ft3 4,000π ft3 40,000π ft3