Help I need as soon as possible!

1. Emily filled an empty horse trough with water. The water level, in centimeters, is proportional to time elapsed,

in minutes, since she began filling the trough. The graph shows this relationship.


(a) Identify the constant of proportionality: _______________


(b) Identify the unit rate: ______________ PER ____________


(c) Explain what (8, 28) means in terms of the graph. Use a complete sentence!


(d) What would the water level be after 20 minutes (hint: use a proportion!)?

Help I need as soon as possible1 Emily filled an empty horse trough with water The water level in centimeters is proportional to time elapsedin minutes since sh class=