Arandom walk on the 2-dimensional integer lattice begins at the origin. at each step, the walker moves one unit either left, right, or up, each with probability 1/3. (no downward steps ever.)

a walk is a success if it reaches the point (1, 1).

what is the probability of success?

Plz hurry evaluate the expression a+b where a=8 and b=19

Sketch the vector field vector f( vector r ) = 8vector r in the xy-plane. select all that apply. the length of each vector is 8. the lengths of the vectors decrease as you move away from the origin. all the vectors point away from the origin. all the vectors point in the same direction. all the vectors point towards the origin. the lengths of the vectors increase as you move away from the origin.

Matt had 5 library books. he checked out 1 additional book every week without retuening any books. whats the matching equation