in a class of 100 students, 45 students read physics, 52 students read chemistry and 15 students read both physics and chemistry. find the number of students who study neither physics nor chemistry​

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.