Free points mods deleted the post well any ways! Whats 1+1?

If a(0,0,0) and b(2,2,2) are points in coordinate space, how many paths are there from a to b that move from one lattice point to another in the positive x-,y- or z- direction?

What are the domain and range of the functiony = 2(x - 3)2 + 4?

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?