Answer:
m= -5/8
Step-by-step explanation:
Slope of a line containing the points,

where, m is the slope
Here,

1. 2.85 I'm dumb at math so I will just give the first answer.. xD
35+5(4-s)=2550
35+20-5s=2550
55-5s=2550
-55 -55
-5s = 2495
s = - 499
-499 + a = 4
+499 +499
a = 503
3x=18 because you add the like terms 6 and 12
The remainder is going to be 11