Triangle def is congruent to right triangle ghi with a right angle at vertex h. if the slope of de is –2, what must be true?

the slope of hi is 1/2.

the slope of ef is 1/2.

the slope of gh is –2.

the slope of df is –2.

Arepresentative from plan 1 wants to use the graph below to sell health plans for his company. how might the graph be redrawn to emphasize the difference between the cost per doctor visit for each of the three plans? the scale on the y-axis could be changed to 0–100. the scale on the y-axis could be changed to 25–40. the interval of the y-axis could be changed to count by 5s. the interval of the y-axis could be changed to count by 20s.