Which pair shows equivalent expressions?
A.2(2/5x + 2)=2 2/5x + 1
B.2(2/5x + 2)=4/5x + 4
C.2(2/5x + 4)=4/5x + 2
D.2(2/5x + 4)=2 2/5x + 8
Solution:

Let us distribute 2 inside the parenthesis.
That is, we use distributive property:
a(b+c)=ab+ac

So, 
Answer:Option (b)

Applying distributive property, a(b+c)=ab+ac



So, Option (B) is correct.
Answer:
1.39 × 10¹² or 1.39 × 10^12
Step-by-step explanation:
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452.4 cm
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the formula for the area of a circle is A = pi r^2
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100
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if both sides are the same then you can mirror the angles only if there equal