1. Design an algorithm that determines and displays whether a student fails or passes by computing the average of his grades in three (3) subjects: Mathematics, Science, and English. If the average is greater than or equal to 75, the student passed, otherwise the student failed. (25 points) 2. Design an algorithm that computes the wage of a part-time employee using the formula: wage = number of hours. (25 points) hourly rate x 3. Design an algorithm that displays the greatest number among the three numbers. (25 points) 4. Design an algorithm that adds two numbers entered by the users. (25 points)