B. a sale of 1/4 off the original of $100
This is an arithmetic series, where S5 means the sum of the first 5 numbers in the series. The general formula is:
Sn = (n/2)(a1 + an)
So,
a1 = 1 + 5/2(1) = 3.5
a5 = 1 + 5/2(5) = 1.5
S5 = (5/2)(3.5+1.5)
S5 = 12.5
<em>The answer should be 12.5</em>
The final expression is 
Step-by-step explanation:
The expression that we have is
In order to solve the expression, we start by applying the distributive property to the bracket. We get:
Simplifying,
Now we add the two terms in x, and we find:
Which is the final expression.
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Answer:
C
Step-by-step explanation:
Answer:
Its angles and its sides remain the same! Also its shape and size. The difference is the figures location/position. Hope this helps :)
Step-by-step explanation:
