Answer:
ok
Step-by-step explanation:
Answer:
It MAY be (7h-21). I COULD be wrong tho.
Step-by-step explanation:
Step-by-step explanation:

-14x²-1≠0
x²≠ -1/14
Option C
Answer:
7 feet
Step-by-step explanation:
If it is under .5 keep the whole number the same, if it is .5 or more round up. This is .3 so it is 7.