Which equation below represents the diagram? (A.) -9 + 3 = 6

(B.) -9 + 3 = -6

(C.) 9 + (-3) = 6

(D.) 9 + (-3) = -6

Grading scale 1 has the following weights- (tests- 50% quiz- 25% homework- 15% final exam- 10%). calculate your final average if your performance in the class is as follows-test grades- {88, 84, 90, 75, 70, 81); quiz grades- {88, 67, 90, 90, 45, 99, 76, 98, 100}; homework- 90; final exam- 75