Answer:
Step-by-step explanation:

-4x^2-5x-15+x^2= -3x^2-5x-15 is the answer
Answer:
2
Step-by-step explanation:
Answer:
10
Step-by-step explanation:
6²+8²
=100
√100
=10
Answer:
same i cant see any of the answers but sometimes the answers are in the questions. so just read the question over again and maybe it will be there.
Step-by-step explanation: