Answer:
B 
Step-by-step explanation:
Formula of straight line in Point slope form

Here

therefore equation of line having slope 5 and passing through point )1, 9) is given as

Answer:
the awnser should be 4.47214 because it's the approximate value of 2√5
Answer: 3h
Explanation: Product = Multiplication
Number 1 = ?
Number 2 = 3
Use the formula of a distance between two points:

