Wait are you going to send a picture to fully show us what the question is about
Answer:
4x+2
Step-by-step explanation:
2(2x+1)
4x +2
you distribute the the 2
1,166 days I know this because I just did the math rig now
Answer: 
Step-by-step explanation:
For this exercise is necessary to remember the following formula:

Where "V" is the speed, "d" is the distance and "t" is the time.
In this case you must solve for the time, then:

Based on the information provided in the exercise, you can identify that:

Therefore, knowing this, you can make the substitution into the formula
.
Through this procedure you get that the equation that can be used to find the amount of hours "h" that it will take Sandra to drive "m" miles at her constant speed, is:

Answer:
48.07
Step-by-step explanation:
Since 3 is closer to 0 than 10, you could round 3 to 0, which gives you 48.07. Srry. this explanation is bad.