3 is to 14 as 12 is to what number?

O 3.5
O 2.6
O 42
O 56

(a) calculate the molarity of a solution that contains 0.0345 mol nh4cl in 400 ml of solution. (b) how many moles of hno3 are present in 35.0 ml of a 2.20 m solution of nitric acid? (c) how many milliliters of 1.50 m koh solution are needed to supply 0.125 mil of koh ?

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.

If the scale factor between two circles is 2x/5y what is the ratio of their areas?