On day one she starts of with 1 hour so it will be 1+30x. X being the number of days so by the seventh day Anna would practice for 240 minutes.
Answer: 2
Step-by-step explanation:

Answer:
x = -48.
Step-by-step explanation:
40 + 4x = 3x - 8
4x - 3x = - 8 - 40
x = -48.
Answer:
Option C 20
GOOD LUCK FOR THE FUTURE! :)
Answer:
Ir is impossible to tell.
Step-by-step explanation:
We are given that,
Stan earns $15 on Monday, $45 on Tuesday, Wednesday and Thursday and $60 from Monday to Friday this week.
Since, we do not have the individual earnings for each day, we are unable to plot the graph of the given relationship.
So, without graph it is impossible to state whether the relationship is linear or not.