Answer:
The slope of the perpendicular line is 6
70
Step-by-step explanation:
Answer: 1st option
I've attached the solution
21.25
85÷4=21.25
Answer: rational
-6 can be written as such an infinite number of ways (just as any rational can be). For example, -6/1, 6/-1, 12/-2, -666/111 and so indeed -6 is rational.
