Answer:
a² + 2ab + b²
Explanation:
⇒ (a + b)²
⇒ (a + b)(a + b)
[apply distributive method: (a + b) (c + d) = ac + ad + bc + bd]
⇒ a² + ab + ab + b²
⇒ a² + 2ab + b²
Answer:
The end points of line segment are:

Using distance formula,
Distance =
= 
I think it might be the last one. Hope it helps:)
85,000 milligrams is equal to 85 grams! :)