Please please help with this question , you will get 10 points if you answer this question, don’t get bothered with 1 point written in question.

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?

Aline passes through 3,7 and 6,9 what equation represents the line

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how