H=45d h stands for hours and 45d means 45 minutes per day
4|x - 1| - 7 = -3 |add 7 to both sides
4|x - 1| = 4 |divide both sides by 4
|x - 1| = 1 ⇔ x - 1 = 1 or x - 1 = -1 |add 1 to both sides
x = 2 or x = 0
Answer: B.
You would have 10 muffins left because 1/3 of 15 is 5 so 15-5=10
B (x + 2)2 + (y − 3)2 = 25