A.
6/9 + 6/9 = 12/9
Hope this helps!!!
Answer:
5+5x-4y
Step-by-step explanation:
What does a standard deviation of 0 indicates 0.
I am here wondering watin dey do now aa
1. 72 to 50 points
50/72 = 69%
100-69= 31% decrease
2. 14 to 40 books
14 / 40 = 35%
100-35= 65% increase
3. 10 plus 30% increase
10 * 0.3 = 13