You are preparing for the final exam in your math course. You would like to know what you need to earn on the final exam to have an 85% in the course. Use the table below to calculate your needed grade. 3 column table with column 1 labeled category, column 2 labeled weight, and column 3 labeled grade. Row 1, participation, weight 15 percent, grade 75 percent. Row 2, projects, weight 25 percent, grade 80 percent, Row 3, tests, weight 30 percent, grade 92 percent. Row 4, Quizzes, weight 15 percent, grade 85 percent. Row 5, Final, weight 15 percent, grade is left empty. Simplify and Solve for f. open parentheses 0.15 cross times 0.75 close parentheses plus open parentheses 0.25 cross times 0.80 close parentheses plus open parentheses 0.30 cross times 0.92 close parentheses plus open parentheses 0.15 cross times 0.85 close parentheses plus 0.15 f equals 0.85 A 89.33% B 89.00% C 71.60%