Answer:
Step-by-step explanation:

Answer:
A math diagram is any diagram that conveys mathematical concepts. This includes basic charts and graphs as well as sophisticated logic and geometrical diagrams. ... Mathematical diagrams are often created to illustrate concepts in textbooks or for presentation posters used at conferences.
Step-by-step explanation:
Answer:
Production cost is $20 per item.
Step-by-step explanation:
Fixed cost is $100 and 20 items cost $500 to produce.



Production cost = $20.
So,
, where C is total cost and x is the number of items produced.
20 i think sorry if its wrong not my best subject.
Answer:
x < -2
Step-by-step explanation:
-4x - 7 > 1
-4x > 1 + 7
-4x > 8
x < -8/4
x < -2