Answer:
Your expression doesn’t seem writable
Step-by-step explanation:
In mathematics, an expression or mathematical expression is a finite combination of symbols that is well-formed according to rules that depend on the context
The answer would be B, so since you're increasing by $3, you would be increasing by 3 points on the graph :). let me know if you have any other questions
The number is 4. 15-6=8 divide that by 2 and you are left with 4
