If ½ mile = 2640 feet, how long is a kilometer in comparison to .5 mile?

slightly shorter
slightly longer
about equal
not enough information

Christine went shopping and bought each of her six six nephews a? gift, either a video costing? $14.95 or a cd costing? $16.88. she spent ? $ 97.42 97.42 on the gifts. how many videos and how many cds did she? buy?

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?

How can you check that you have correctly converted frequencies to relative frequencies?