Answer:
Step-by-step explanation:
You have two methods to expand this binomial.
Method 1
If you have the expression:
You can write the expression it in the following way:
Then, apply the distributive property:
Simplify the expression:
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Method 2
For any expression of the form:
Its expanded form will be:
If
Answer:
see below
Step-by-step explanation:
Vertical angles are formed by two lines and are opposite each other
Vertical angles are equal
Answer:
21.2
Step-by-step explanation:
Answer:
548 ft
Step-by-step explanation:
70+70+84+84+120+120
Step-by-step explanation:
b=a-80
c=b-61
c=a-141
a+b+c=3a-221=430
3a=651
a=217 & b =137 & c=76