Answer:
x=-b/2a
Step-by-step explanation:
hope that helps :)
mark as brainliest please :)
Answer:
104°
Step-by-step explanation:

B is the answer
the formula is :

which r stands for radius
and h stands for height
the diameter is 16
so the radius is

hope you understand it
Answer:
Around 19 rows
Step-by-step explanation:603/31= 19.40 so I'm not too sure