Answer: (2, -2)
Step-by-step explanation:

Answer:
The number is -9.
Step-by-step explanation:
If we let the number be x we have the equation 6x + 7 = -47.
6x + 7 - 7 = -47 - 7
6x = -54
x = 054/6
x = -9.
Answer:
n=2m
Step by step:
total=rate of movie watching per month times months
n=2 movies per month times 'm' months, so,
n=2m
For 8/10:
16/20
24/30
64/80
for 5/2:
10/4
20/8
100/40
hope this helps