Answer:

Step-by-step explanation:
Quadratic formula:
when the equation is 
The given equation is
. Let's first arrange this so its format looks like
:


Subtract 1 from both sides of the equation

Now, we can easily identify 3 as a, -2 as b and 0 as c. Plug these into the quadratic formula:

I hope this helps!
Answer:
19.25
Step-by-step explanation:
Let y be the unknown number
The other number is x - 12
Answer:
B
Step-by-step explanation:
Answer:
but it is already in cm
5.8 cm is 5.8 cm but if you want mm
5.8 cm is 58 mm
Step-by-step explanation: