Answer: n = 17
Step-by-step explanation: n= -68/-4= 17
There are 10 possible digits and 26 possible letters.
To find the answer to this problem we have to multiply 9 as many digits has the hotel reservation number and 26 as many letters it has.
It means:

There are 1,119,214,746 possible reservation numbers.
Answer:
D
Step-by-step explanation:
Answer:
The missing side is 18 inches
Step-by-step explanation:
Since in the smaller rectangle the sides are 2.5in x 6in and one side for the larger rectangle is given, you can make an equation.

Then you can cross multiply.
2.5x=45
Divide by 2.5 on both sides.
x= 18
Answer:
46
Step-by-step explanation:
92 + 42 + 46=180