Answer:
r = - 4
Step-by-step explanation:
Given
- 1.5(4 - r) = - 12 ( divide both sides by - 1.5 )
4 - r = 8 ( subtract 4 from both sides )
- r = 4 ( multiply both sides by - 1 )
r = - 4
Answer:

Step-by-step explanation:





<h3>Hope it is helpful....</h3>
Let

. Then

, and so as

, you have

. The limit is then equivalent to
Answer:
y-y1=m(x-x1)
Step-by-step explanation: