Show on a number line and write: the numbers that satisfy the equation |a|=5

Please Hurry!!

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

(x-5)1/2+5=2 what is a possible solution?

The graph below shows the line of best fit for data collected on the number of cell phones in cell phone cases sold at the local electronic store on four different days