X^2 - 2x factorise fully

If you roll two fair dice (one black die and one white die), in how many ways can you obtain a 4 on at least one die?

Given: x + y = 6. if xe (-15, -6, -1), then which of the following sets of ordered pairs are solutions? © {(-15, -21), (-6, -12), (-1, -7)} [(-15, 21), (-6, , 7)} {(-15, 21), (-6, 12), (-1, -7)}

17 in long 1.3 ft wide and 8in high what is the volume