IF YOU PUT LINK YOU GET REPORTED: NEED HELP WITH THIS ASAP

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?

15 there is a line that includes the point 0,10 and has a slope of 7/4. what is it’s equation in slope intercept form

Askate shop rents roller skates as shown on the table below. which graph and function models this situation?