7-12 is like a negative number so it will be -5. And 13-18 would be -5 also.
Answer:

Step-by-step explanation:
1) The Fundamental Theorem of Calculus in its first part, shows us a reciprocal relationship between Derivatives and Integration

2) In this case, we'll need to find the derivative applying the chain rule. As it follows:

3) To test it, just integrate:

Answer:
cross-section
Step-by-step explanation:
It means that if you cut through a prism, on either side you would see the same 2d shape.
Answer:
i would do 1.36+2.33.
Step-by-step explanation:
Answer:
60%
Step-by-step explanation: Apologies if incorrect