Answer:
I wanna say that,
Time to Climb (min) <u>Dependent Variable</u>
Height (ft<u>)</u> <u>Independent Variable</u>
Hope this helps, let me know if I'm wrong.
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Deuterium ( 2H)
It is not radioactive. Its compounds are used in chemical analysis and solvents for hydrogen 1. Heavy water is enriched with molecules consisting of deuterium instead of protium. It used as a coolant and a neutron moderator.
You plug 13 into where the r is and then solve, using a calculator
7+7=14
8+9=17
The closest With a double is 8+8=16
Y=-2x on the graph for this one I think