I think this is definitely WHO because the story is talking about a certain unknown character.
1.04 in word form is: one and four hundredths.
Another way to say so is: one point zero four
I hope this helped :D
The appositive " a French astronomer " renames Bernard-Ferdinand Lyot
or
the appositive " a telescope attachment " renames coronograph
not sure which one is underlined
3/7−1/9
and solve
(3×9)−(1×7)/7×9
27−7/63=20/63
20/63 is the answer
