How can you use the mean absolute deviation of two datasets to comparison

Planning for the possibility that your home might get struck by lighting and catch on fire is part of a plan for ?

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2

If you double the input of a function and it results in half the output, and if you triple the input and it results in a third of the output, what can be guessed about the function? check all that apply.