Answer:
Your answer is 9x+2
Step-by-step explanation:
All you have to do is add like terms, for example, all of them that have X you can add them up,
Answer: do not know just do it
Step-by-step explanation:
Answer:
The angles are complementary angles because they are 90
Step-by-step explanation:
Answer:
840cm^3
Step-by-step explanation:
[12*15-(12-8)*(15-5)]*6
=[180-40]*6
=140*6
=840cm^3