The map shows a typical flight path between Seattle and London. Why does the path go over the Arctic? A) It is the shortest path
. B) It allows for refueling stops. C) It is easier to fly in colder air. D) It is safer than flying over the ocean.
2 answers:
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I'm assuming you want us to solve for the unknown variable z
Combine like terms on the right side
Use the distributive property on the left side
Add both sides by 20 to cancel out the "-20" on the left side
Divide both sides by 10
That is the value of the known variable, z, in this equation. Let me know if you need any clarifications, thanks!
~ Padoru