The Colosseum was the emperor's gift to the Romans. Without doubts it was not only an amphitheatre. It became a symbol of power and majesty of the emperor, Rome and Roman society. The construction began in year 71 CE on commission of the new Roman ruler Vespasian.
Given expression: 
We need to add the given rational expressions.
First step: Combined like terms in the numerator and kept the common denominator.

Second step they applied : Canceling the like term x^2 and got 
Note: We can't cancel like terms in top and bottom like this.
We can cancel out common factors in top an bottom.
<h3>Therefore, Micah did not add the expressions correctly.</h3>
I hope this helps you
this triangle is isosceles right triangle
base=height
Area=base×height /2
18=b×b/2
b^2=36
b=6
B. is the answer to your question!! Hope this helps!! :D
Answer:
d
Step-by-step explanation: