The answer to your question is C
The rule for reflecting over the X axis is to negate the value of the y-coordinate of each point, but leave the x-value the same. For example, when point P with coordinates (5,4) is reflecting across the X axis and mapped onto point P', the coordinates of P' are (5,-4).

Step-by-step explanation:
Given expression is;

Solving for 
Multiplying both sides by 2

Dividing both sides by h

Subtracting
from both sides


Keywords: division, subtraction
Learn more about subtraction at:
#LearnwithBrainly
Answer:
The bread will be done baking at 12:15
Step-by-step explanation:
11:45+30=12:15