Greetings :)
To find slope of two points we will need to use this equation: 
( 6 , -12 ) ( 15 , -3 )
Now let's replace the equation with the numbers. (it will be a fraction).
= 
The equation equals 9 over 9, which also equals 1.
The slope of the line is 1.
Answer:
Yes
Yes
No
No
Step-by-step explanation:
Step-by-step explanation:
let the ration be c
3x and 4x
Now
3x +4x=24
Answer:
a < -4
I apologise if it is wrong.