There are 10 gallons of water in a tank. each minute, 4 more gallons are added. the volume of the water in a tank after t minutes is v (gallons). what is the formula for the dependence of v on t (t≤10)?

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap