At the city museum, child admission is $5.80 and adult admission is $9.60. On Friday, three times as many adult tickets as child tickets were sold, for a total sales of $899.60. How many child tickets were sold that day?

The function y= x - 4x+ 5 approximates the height, y, of a bird, and its horizontal distance, x, as it flies from one fence post to another. all distances are in feet. complete the square to find and interpret the extreme value (vertex). select two answers: one extreme value and one interpretation.