Can anyone help me I’m super confused and I honestly have no idea what the answer is for any of these

In which direction will the following reaction go if the standard reduction potentials are 0.80 v for ag/ag+ and –0.44 v for fe/fe2+? ag+ + fe → ag + fe2+ a.)forward b.)the reaction cannot occur. c.) not enough information is given. d.) reverse

How manyatoms of mercury are in 1.4214e+1 ml sample

George is a dalmatian puppy. describe what happens to light that allows you to see george’s black and white coat.