【单选题】A company can rent one of two copying machines. The first costs $34 a month to rent and costs an additional 2 cents per copy to use. The second costs $107 a month to rent and an additional 1 cent per ...
【单选题】A 150 cm length of string is tied around a book measuring 30 cm x 20 cm x 2 cm asshown in the diagram. After knotting and tying a bow, 24 cm of string was left over. A second piece of string, also 150...
【单选题】A company can rent one of two copying machines. The first costs $34 a month to rent and costs an additional 2 cents per copy to use. The second costs $107 a month to rent and an additional 1 cent per ...