Given triangle abc with vertices a(16,0), b(9,2), and c(5,-12). which side of triangle abc represents the altitude of the triangle with a slope of -2/7? side ab side bc side ac

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?

Need on this geometry question. explain how you did it.

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?