A hot air balloon has just taken off. It rises to a height of 90 meters above the ground in 30 seconds. It is moving at a constant speed. How fast is the hot air balloon rising?

2x - 20 = 32 20 - 3x = 8 6x - 8 = 16 -13 - 3x = -10

Y= x – 6 x = –4 what is the solution to the system of equations? (–8, –4) (–4, –8) (–4, 4) (4, –4)

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?