What is a variable? a. A variable is an unknown number or value represented by a letter c. A variable represents a change in val
ue b. A variable always represents the total amount d. A variable is always represented by the letter x Please select the best answer from the choices provided A B C D
13. 10-14 14.I can't see the whole graph, so you need to do it yourself. Add up everyone's age and divide by the amount of people on the graph. That will give you the average.
