Respuesta :

irspow

Answer:

Step-by-step explanation:

a) (2,350),(5,530)

b) (530-350)/(5-2)=60

c) y=60x+b, using point (2,350)

350=60(2)+b

b=230

w=60t+230

c) w(7)=60(7)+230

w(7)=$650