1 2
2 4
0.49
x 3.5
______
245
1470
+_____
1.715
note : cross out the 2 & 4 on top of .49
-------------------------------- --------------------------------
Answer:

Step-by-step explanation:
Equation of straight line in point slope form is given as

Here

Therefore,


Answer:
Maybe -12?
Step-by-step explanation:
Because sometimes variables on their own symbolize 1, so we can subtract 13 from 1 to get -12.