Los vértices de un triángulo rectángulo son los puntos: A(1, 0), B(5, -3) y C(4, 4); la ecuación general de uno de sus catetos es 3x + 4y – 3 = 0, ¿cuál es la pendiente de la recta correspondiente al otro cateto del triángulo?

Geometry ? i don't know how to do any of these.

Problem melissa is her dad build a walkway in their backyard. the walkway will be 54 feet long and 1.5 feet wide. the local hardware store sells tiles which are 1.5 by 1.5 feet and come in boxes of 12. how many boxes of tiles do they need?

If the equation of a perpendicular bisector of a triangle is y = 2x + 7, what is the slope of the side that it is bisecting? explain how you know.