Answer:
Slope: 7
Step-by-step explanation:
y=mx+b
substitute what you know
7=m
63+12= your difference between the numbers
63+12=84
84/12 = 7.
Your answer would be 7 degrees per hour.
Answer:
(2,-1)...........
Step-by-step explanation:
................
Given data:

Plot the points
on the number line.
Let us plot the first point
.
1 unit is completed. So count after 1 (indicated) in the number line.
point after 1 is 
point after
is 
point after
is 
point after
is
.
So, move 4 points after 1 in the number line is
.
Now plot the point
.
To make the denominator 9, multiply and divide numerator and denominator by 3.

2 unit is completed. So count after 2 (indicated) in the number line.
point after 2 is 
point after
is 
point after
is 
So, move 3 points after 2 in the number line is
.
The number line is attached below.