Help please it’s a text

Which of the following correctly justifies statement four of the two column proof? a. corresponding angles theorem b. transitive property of equality c. vertical angle theorem d. substitution property of equality

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if

Find the length of the normal and the angle it makes with the positive x-axis. (see pictured below)