_____ As you know, the general term of an aritnmetic sequence is .. a[n] = a[1] +d*(n -1) .. ... where a[1] is the first term (n=1) and d is the common difference. n is the term number.
If you create the graph and then plot the points you will get a depiction of the trapazoids. using this you will find that they have reflected over the x=3 line.
<span>A physical property is that it is a white metal. The other descriptions are all chemcial properties such as how it reacts and conducts. Density could also be another answer as it is also physical.</span>