Answer:
Concept: Algebraic Analysis

- Those two symbols indicate one solution

- Those symbols indicate a range of values

- Indicates two bounded answers
- In an inequality there is always a solution
Complement: The sum of two angles equals 90°
Supplement: The sum of two angles equals 180°
Answer: Supplement
Answer:
y-intercept is 30
Step-by-step explanation:
Given the model
comparing this model to the equation of a straight lines we can get the y- intercept

The y- intercept is 30 which is the constant factor and it describes to us about the one-time registration fee of $30.
Answer: $15.20
Step-by-step explanation: He earned $15.20. Just multiply the 2.00x4 and the 2.40x3
Answer:
It must travel through a medium
Step-by-step explanation: Because I said so >:(