Sorry, I'm asking a lot of questions. I need anyone to explain?

Do you mind if you guys me with this question i’m on number 8

Afair die is cast four times. calculate the probability of obtaining exactly two 6's round to the nearest tenth of a percent

Question 6(multiple choice worth 5 points) (05.02 lc) what is the value of x? a right angle is shown divided into two parts. the measure of one part of the right angle is 10 degrees. the measure of the other part is 2x 20 40 45 85