Which expression shows a sum of four terms? 4 + x + 4 + x

Factorize: x^2+8x+10 i just solved it but i don't know if the process is correct

Plz heeeeeeelp plz give me the answer

Which formula finds the probability that a point on the grid below will be in the blue area? p(blue) = total number of squares number of blue squares number of blue squares p(blue) = total number of squares number of blue squares p(blue) = number of white squares