The slope cannot be found when only one co-ordinate is given.
One may assume the line is vertical or horizontal
This answer is ambiguous
Answer:
9
Step-by-step explanation:
n(A)+n(B) [n(A)=cardinal numbers of set A.so we have to count the elements and write .
=4+5
=9
I can maybe help, what's the question
Answer:
The amount of increase per
hour by $1.
Step-by-step explanation:
Julian charges $10 for every
hour he walks a dog.
He increases his fee by 10%
Now we have to find 10% of $10
Amount increased = 
So the amount increased by $1.
The amount of increase per
hour by $1.
Answer:
1:3
Step-by-step explanation:
That ratio would be 5 :15 or 1:3