Answer:
1. Line c
2. She subtract when she suppose to add
3. 2x-12+12 = 10+12
2x = 22
x = 22/2 = 11
x is 11
Answer: 
Step-by-step explanation:
To solve this problem you must apply the proccedure shown below;
- Make the equation equal to zero:

-Add 49 at both sides:

- Now, you must take the square root of both sides of the equation, then you obtain the following roots:

- Then you have:


Answer:
It's a negative 4 and the variable n and can be used for anything or any equation.
2 1/3 * 8 = 16 8/3 or 18 2/3 inches in 8 days.
5 + 7 = 12.
12 + 6 = 18
26 - 18 = 8
Cindy has 8 more miles to run before she reaches the finish line. I would really appreciate it if I could get brainliest. Thanks!! =D