Answer:
Is -15
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
Answer:
A. 
B doesn't work because only positive 7 would be a possible value. Negative numbers cubed get a negative answer.
Answer:
Most likely the answer is
3x^2+4x-6
Answer:
149/18
Step-by-step explanation:
convert mixed number into a improper fraction then subtract..