Answer:
rate of change = 3
Step-by-step explanation:
to find the rate of change 
(0,-4) (1,-1)
=
= 3
the new price of the bike is $380
Answer:
use Pythagoras theorem formula
=
+ 
Step-by-step explanation:
=
+ 
= 576 + 324
= 900
C = 
C = 30
Does that make sense? :|
Answer:
4.10526315789
Step-by-step explanation: