Answer:
-8 and -7
Step-by-step explanation:
First, let's find the cubed version of each answer choice.
-12 and -11:
- -12 cubed = -1728
- -11 cubed = -1331
-20 and -19:
- -20 cubed = -8000
- -19 cubed = -6859
-15 and -14:
- -15 cubed = -3375
- -14 cubed = -2744
-8 and -7:
- -8 cubed = -512
- -7 cubed = -343
Therefore, the answer is -8 and -7.
