Answer:
(A) 
Step-by-step explanation:
The number of laughs (denoted by L) is a function of
- The number of jokes (denoted by J),
- The amount of knowledge about the joke material (denoted by K).
Given 
The appropriate measurement unit for number of laughs will be:

Answer:
a
Step-by-step explanation:
Divide 456/12
you get 38
so the answer is 38 miles per gallon of gas.