Answer:
1.2%
Step-by-step explanation:
List all the possible pairs and divide 1 by the sum.
Since there were 86 possible pairs,
1/86 is nearly equal to o.o12
Answer:
The answer here is going to be 2x
Answer:
35
Step-by-step explanation:
Answer:
-13=5+x, rearrange the terms.
-x=5+13, add.
-x=18, invert the sign.
x=-18
Answer:

Step-by-step explanation: