Find the composition of the function

Which of the following points is collinear with (-2,1) and (0,3)

The graph of h(x)= |x-10| +6 is shown. on which interval is this graph increasing

Determine the required value of the missing probability to make the distribution a discrete probability distribution. x p(x) 3 0.23 4 ? 5 0.51 6 0.08 p(4) = nothing  (type an integer or a decimal.)