Two sides are the same length one angle measures 90 degrees
7/8*8/9 = (7*8)/(8*9)
Since we have an 8 both above and below, we can erase it, and so the answer is 7/9
The answer is <span>D. x=y-z-9/7</span>
1/9 or 11/100
Hope that helps
21/7=3 With $21 you can buy 3 tickets at $7 a piece.
