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> ;)
C2+ 10
Twice = multiply by two
10 more than = add ten
Hope this helps!
Answer:
z-test
hu=50
Step-by-step explanation:
I think 7 bags do 31.5 m squared
Around a track like you run for track meets its 4 so for 1/4 of a mile it would be 1