Name two points that are not contained in or lying in plain p provide at least two ways to name plane P ​

Can someone me and do the problem plz so i can understand it more better

If there is 20 dogs in the shelter and 5 dogs get homes, and then 43 more dogs come. how many dogs are there in the shelter?

50 plz, given the system of equations, match the following items. x + 3 y = 5 x - 3 y = -1 a) x-determinant b) y-determinant c) system determinant match the following to the pictures below.