In 2009, two tickets to a Certain American band's concert and two tickets to a certain British band's concert cost, on average, a total of $556. At those prices, four tickets to see this American band and two tickets to see this British band cost $798. What was the average cost of these American and British band tickets in 2009?

Which graph corresponds to the function f(x) = x2 + 4x – 1?

Aquadrilateral has exactly one pair of parallel sides. which name best describes the figure?

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 - 2xdesmond 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