Answer:
4/7
Step-by-step explanation:
Answer:
a.) 
Step-by-step explanation:

Find two numbers that add up to -6 and multiply to -40 (you will most likely need a negative and a positive because -40):
-10 and 4
Factor:

Finito.
Answer: use a slope calculator
-1/6
Step-by-step explanation:
The answer for this is 60