<span> 81m^2-169 = (8m + 13)(8m - 13)
</span>
Answer:
The fraction of the children in the group that contains both dog and a cat is 
Step-by-step explanation:
The fraction of the children in the group that contains both dog and a cat is presented below:
= Pet dog + cat

Hence, the fraction of the children in the group that contains both dog and a cat is 
Answer:
B
Step-by-step explanation:
X+56<533
-56 -56
x<477 thats the answer