The length of a rectangle is 4 inches longer than the width. The perimeter of the rectangle is 28 inches.What is the width of the rectangle, in inches?
【单选题】_____________________________________________________________________________ If you prefer using the dictionary on a computer, you can obtain CD-ROM versions of many major dictionaries. In addition, ...
【单选题】In an arithmetic sequence, each successive term is either greater than or less than the preceding term by the same amount. What is the tenth term of the arithmetic sequence 30, 27, 24, . . . ?