Someone me , is anyone could and good a math pleas asap. five pennies, 3 dimes, and 4 quarters re placed in a bag. what is the probability of selecting a quarter and then another quarter, given the first coin is not returned to the bag after it is drawn?
a)2/11
b)1/11
c)1/22
d)5/33

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.

The ksp expression for the system pbcl2(s) pb+2(aq) + 2 cl-(aq) is: [pbc12][pb+2][2cl-] [pb+2][cl-]2 [pb+2][2cl-]2 [pbcl2][pb+2][cl-]2 [pb+2][2cl-]2[pbcl2]

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,