Presuming the rooms are connected to each other by a door and that each room has two doors, you will potentially check in;

= 756 rooms
We are subtracting 1 since the last door doesn't lead to another room.
Answer:
31
Step-by-step explanation:
Answer: 15x + 6
5x + 2x+3 = 7x+3
6x+4 + 7x+3 = 13x + 7
13x+7 + 2x-1 = 15x+ 6
Answer:
x = 6
Step-by-step explanation:
To find the missing side, write a proportion using side lengths from each similar shape. A proportion is an equation that sets equal two ratios.

Find x by cross multiplying numerator and denominator of each fraction.
4(18) = 12x
72 = 12x
6 = x
Between 2 and 3, should be somewhere before .5