Answer:
k = -2
Step-by-step explanation:
If 
Then

So

From this follows k = -2
Answer:
6 weeks 27kilo
12 weeks 54 kilo
Step-by-step explanation:
4.5*12=54
4.5*6=27
Answer:
y=3x+3
Step-by-step explanation:
slope is 3 because rise over run. Rise is 3 and run is 1. 3/1 is 3. and b= y-intercept and the poiunt wehre the line intercepts the y axis is 3. so your answer is y=3x+3
Hi there!

We can calculate slope using the following formula:

Plug in the corresponding points:

Simplify:
