Alighthouse casts a 128 footshadow a nearby lampost that measures 5 feet 3inches cast an 8 foot shadow

David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?

Find the zeros of each function. f(x) = x^2 + 5x - 6

Me d is also an option but i couldn't get it in the picture