Answer:
A) Divide 20 by 2 and then add 8 to the result
Step-by-step explanation:

Independent variable (IV): something the scientist can change.
Thus, in this case, the IV can be the weight of the person.
Answer:
Second answer choice
Step-by-step explanation:
Since -10 is outside t you multiple every number inside the parenthesis by -10
It would reflect over the x-axis and then reflect over the y-axis