7q^2 - 28 = 0
7q^2 = 28
q^2 = 4
q = +/-2
solution set is {-2,2}
I think the correct one is b but I’m not sure
Answer:
All of the planets in our solar system revolve around one star-our sun.
The sun's gravity holds the planets in place.
Astronomers long ago and today use star charts to map star locations.
Step-by-step explanation:
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