1. In a class the grades are evaluated at 10% attendance, 40% tests, 25% homework, and 25% quizzes. A student has a 90 for attendance, 80 for tests, 100 for homework, and 75 for quizzes. What is their final grade? Round to two decimal places.

2. In a class the grades are evaluated at 10% attendance, 40% tests, 25% homework, and 25% for last exam. The student has a 100 for attendance, 85 for tests, and 90 for homework. What does the student need on the last exam to get an A (89.5) in the class?

3. A class is evaluated based on points. 15% is participation, 25% is quizzes, 25% is homework, and 35% is tests. If a student has a 85 for participation, 80 for quizzes, 75 for homework, and 90 for tests, what is their grade in the class?

4. A class is evaluated based on points. 10% is participation, 20% is quizzes, 20% is homework, 30% is tests, and 20% last exam. The student has a 90 for participation, 70 for quizzes, 90 for homework, 90 for tests. What do they need to get on the last exam to get an A (89.5) in the class?

5. A class has a point system for grading. The student gets 200 out of 250 points on Assignment 1, then 100 out of 150 points on Assignment 2, and lastly 300 out of 350 points on Assignment 3. What is their final grade in the class?

6. A class has a point system for grading. The student gets 400 out or 600 points on Assignment 1, then 300 out of 450 points on Assignment 2, and lastly 300 out of 400 points on Assignment 3. What is their final grade in the class? Round to the nearest whole number.