Feng has a toy car collection. He keeps 324 of the toy cars on his wall, which is 81% of his entire collection. What is the total number of toy cars in Feng's collection?

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.