Answer:
B. [tex]y=-7[/tex]
Step-by-step explanation:
[tex]y^{3} =-343\\\\\sqrt[3]{y^{3} } =\sqrt[3]{-343} \\\\\ y=-7[/tex]
The answer that fits this is B. [tex]y=-7[/tex]
B) y = -7
y^3= y*y*y
-7*-7*-7= -343
Thus, it is B
