What do all steroids have in common?
a. they are not lipids.
b. they are all built on a four-ring structure.
c. they all have the same function.
d. they are all sex hormones.

Problem page a jet airplane reaches 846. km/h on a certain flight. what distance does it cover in 13.0 min? set the math up. but don't do any of it. just leave your answer as a math expression. also, be sure your answer includes all the correct unit symbols.