What's 1×1÷3+8÷3×6+9÷100×450+489 equal to?

Need on this one asap im almost done with this subject

Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? \ 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2x

What is the value of x in this triangle? a. 53° b. 62° c. 65° d. 118°