In the fictitious city of Metropolis, Superman is located at 3rd Street and 3rd Avenue while Lois Lane is located north and east of Superman at 9th Street and 12th Avenue.
a. How many blocks would Lois Lane have to walk to reach Superman?
b. How far would Superman have to fly to reach Lois Lane?
c. In what direction should Superman fly to reach Lois Lane as quickly as possible?

What is lincoln's purpose in writing this speech? question 1 options: to stress the difficulties of war to honor those who died in the war to call for an end to the war to call the country to join a new war

What is the main reason why some developing countries fear the increase the free trade policies around the world?

For a research project, a student decided to test the effect of the lead(ii) ion (pb2+) on the ability of salmon eggs to hatch. this ion was obtainable from the water‐soluble salt, lead(ii) nitrate, which the student decided to make by the following reaction. pbo(s) + 2 hno3(aq) → pb(no3)2(aq) + h2o losses of product for various reasons were expected, and a yield of 86.0% was expected. in order to have 5.00 g of product at this yield, how many grams of pbo should be reacted? (assume that sufficient nitric acid, hno3, would be used.)