Apipe is 31 inches long. it is to be cut into three pieces such that the longest is three times as long as the shortest and the middle-sized piece is 1 inch longer than the shortest. how long is the middle-sized piece?

Which expression is equivalent to 2x^2+2x-4/2x^2-4x+2

Ateacher noticed 5/8 of the students were wearing either blue shorts or white shorts. write two different ways this could be done.

Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the given zeros. 3, 4+2i, 1+(sqrt)7 the answer is supposed to be: f(x)=x(^5)-13x(^4)+60x(^3)-82x(^2)-144x+360 what am i doing wrong?