Answer:
b
Step-by-step explanation:
An unknown quantity is called a variable.
We typically use letters (ie: x) to represent these unknown values.
Answer: f(x)= .40c
If c equals 3 lets:
Substitute C for 3
.40(3) = retail price per each silver
The mean change of altitude in feet over feet per minute is 62ft over feet per minute
Answer:
number 9 is c.
im not really sure what 10 is
