- What symbol is this?

Discover Questions

5'9 equals what in inches? Help. Evaluate a^2+b for a=1/2 and b=-1/2
I know the answer is -1/4 but and 0.25 but why is it -1/4 should it be -1/2. Any help. Thanks? Compare spectroscopy to microscopy? Could someone answer this please!!? Galvanic cell questions :(
1. When is an inert electrode used?
2. What are the characteristics of the solution in a salt bridge?