The focal length of the mirror is 15 cm
From the question given above, the following data were obtained:
Object distance (u) = 30 cm
Image distance (v) = 30 cm
<h3>Focal length (f) =? </h3>
The focal length of the mirror can be obtained as follow:

<h3>Invert </h3><h3>f = 15 cm</h3>
Therefore, the focal length of the mirror is 15 cm
Learn more: brainly.com/question/1392083
HNO₃(aq) + NaOH(aq) → NaNO₃(aq) + H₂O(l)
H⁺ + NO₃⁻ + Na⁺ + OH⁻ → Na⁺ + NO₃⁻ + H₂O
H⁺ + OH⁻ → H₂O (the net ionic equation)
Answer:
congratulations you have made cocaine