I can’t understand the question can you write it more clearly?
Answer:
6.68754...
Step-by-step explanation:
Assuming you mean:

Answer:
Given
Step-by-step explanation:
<A and <D are supplementary
Answer:
no solution
Step-by-step explanation:
7x-12<7x-7
-13<-7
no solution
Answer:
7. C(N(h))=33hx+460h
8. about $13.94 is the cost
Step-by-step explanation:
7. C(x)=(33x+460)(N(h))=(N(40)h)--C(x)=(33x+460)(40h)--C(x)=1320hx+18400h--simplified to C(N(h))=33hx+460h
8. C(N(10))=33(10)x+460(10)--C(N(10))=330x+4600--4600/330=about13.94