Answer:
A 7-pack of frozen waffles costs $4.80.
Step-by-step explanation:
What is the unit price, rounded to the nearest cent?
Answer:
Dependent variable: time(months) or 
Independent variable: 6
Step-by-step explanation:

(h=height)
I'd suggest getting a Texas Instruments TI-84 plus calculator or use des mos .com scientific
Answer:
The y-intercept is 4
Step-by-step explanation:
You find the y-intercept by finding where x is zero. In the table, when x=0 the y=4. The y-intercept is 4. The graph of the function crosses the x-axis at the point (0,4).