Explanation: First you need to do is multpliy 5x1=1 and multiply 5x1=1 then do 5x4=20 then add the whole numbers 5x1=1 5x4=20 + 3 =23 So the correct answer is 23.
If I’m assuming that symbol next to the C at the end of the question means C mirrored the the answer would be (3,1) but I’m not quite sure what it means