Which figure goes on forever in only one direction

If lmn=xyz, which congruences are true by cpctc? check all that apply

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

How many and of which kind of roots does the equation f(x)=2x^4−9x^3+17x^2−16x+6 have?