C. a and c, b and d
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√64=8 ∛8=2
In the √, you find something that squares into the number
In the ∛, you find something that cubes into the number
Use log definition: if logₐ(b) = c then b = a^c
log₃(x) = 6 → x = 3⁶
x = 3⁶ → x = 726
Therefore, x = 726
Best of Luck!
So slope=rise/run
rise=8
run=12
8/12=4/6=2/3
the slope=2/3
The Solution is 5.68 x 10^5