Which is the most appropriate operation to use to solve this problem? - tony's job is to stack the cans on the shelves at the local store. he has 585 cans to stack evenly on 15 shelves. how many cans should he place on each shelf? *
a) multiplication
b) division
c) subtraction
d) addition

Out of $20$ creepy-crawly creatures in a room, $80\%$ are flies and $20\%$ are spiders. if $s\%$ of the total legs belong to spiders, what is $s$?

Opposite angles in a parrellelogram are

Without any equipment, you can see stars that are 2{,}800{,}0002,800,0002, comma, 800, comma, 000 light-years away. by looking through a small telescope, you can see stars that are 3{,}112{,}000{,}0003,112,000,0003, comma, 112, comma, 000, comma, 000 light-years away. approximately how many times as far can you see using a small telescope as without any equipment?