Admission to the talent show is $5 for adults and $2 for a child. a total of 1,540 was raised and 500 tickets were sold. how many adults attended the talent show?

Anyone know? will mark brainliest if you're correct!

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

Drag the tiles to the boxes to form correct pairs. not all tiles will be used. match each set of vertices with the type of quadrilateral they form.