A bag contains 3 blue balls and yellow balls. 8.2.1 Write down the total number of balls in the bag. 8.2.2 If a ball is drawn from the bag, write down the probability that it is blue 8.3.1 Complete the following statement: If A and B are two mutually exclusive events, then P (A and B) = ... 8.3.2 Given that A and B are mutually exclusive events. The probability that event A occurs is 0,55. The probability that event B does not occur is 0,7 Calculate P (A or B). TOTAL served I IMPOPO​

Statement reason 1. δabc is similar to δced. given 2. 3. definition of slope 4. slope of slope of definition of slope 5. slope of × slope of multiplying the slopes 6. slope of × slope of substitution property of equality 7. slope of × slope of simplifying the right side the table contains the proof of the relationship between the slopes of two perpendicular lines. what is the reason for statement 2? a. parallel line segments that meet a common perpendicular line are proportional in length. b. the lengths of vertical and horizontal sides in congruent triangles are in a common ratio. c. trigonometric identities determine the lengths of the legs in a right triangle. d. corresponding side lengths in similar triangles are proportional in length.