The answer is
<em>False
</em><em />
<em />A Perfect Square Trinomial should be in the form of this:

The following,

, definitely does not follow the rule given and, therefore, is not a Perfect Square Trinomial.
I hope this helped!! Have an amazing day :)
<em>
</em>
Answer: The sash will have 20 diamonds when it is completed.
Step-by-step explanation:
Given: The length of American sash= 8 feet
Since, Joseph wants to add a diamond shape every 0.4 ft along the sash.
Therefore, the number of diamonds he will need to complete the sash= 
⇒ The number of diamonds he will need to complete the sash= 
Hence, the number of diamonds he will need to complete the sash= 20
Answer:
When you see a number that goes through the line which is the y-aixs
Step-by-step explanation: