So first you distribute the negative to the 6x and 13 which will flip the sign of both of them to -6x and -13 so take away the parentheses and the equation is now 7x-6x-13. You combine the x’s and you get 1x-13 or x-13
Answer:

Step-by-step explanation:
<u>Distance between two points</u>




Substituting points into the distance formula and solving for d:




Answer:
A, 6
Step-by-step explanation:

<em>subtract</em>
from both sides

<em>divide</em> both sides by 

<em>plz mark me brainliest</em> ;)
Typical bone is made up of D.