You need to set up a linear graph. One side with gallons and the other with dollars. Point 1 will be at (1500, 2.10). Point 2 (1300, 2.95). Draw a straight line through these points in your graph and your graph will then give you the answers to your other questions.
Use sin, cos, tan formula
Answer:
IDK.
Step-by-step explanation:
Ask ur teacher for help.
I hope this helps u.
Answer:
450 simple
Step-by-step explanation:
