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:
1,5 I think
Step-by-step explanation:
hope this helps
Answer:
find below
Step-by-step explanation:
5(x-7)=20
5x-35=20
5x=55
x=11
Answer:
Area=40+8π, Perimeter=4π+4*√29
Step-by-step explanation:
Area=Area of circle + area of triangle
=(π*16)/2 + 40=40+8π
Perimeter=Circumference of circle + hypotenuse of the triangle
= 2π(4)/2 + 2√(116)=4π+4*√29