Answer:6480
Step-by-step explanation:
 
        
             
        
        
        
Answer: 28 it should be
Step-by-step explanation: 7x4 is 28 in 1 hour he bikes 7 and he bikes for 4 hours thats an hours worth 4 times
 
        
             
        
        
        
R + s + t
Plug in the values.
r = 26
s = -12
t = -8
r + s + t
26 + (-12) + (-8)
26 - 12 - 8
14 - 8
6
Remember these rules:
a + (+b) = a + b
a + (-b) = a - b
a - (+b) = a - b
a - (-b) = a + b
        
             
        
        
        
Answer:
the slope is 1 up and 7 left (mx part of the equation) and the 2 is where you start on the y axis. So you start at 2 on the vertical axis, and move up one and left 7, and put a point on where you land and continue. 
Step-by-step explanation:
It should look something like this: hope this helps :)