Suppose the line segment whose endpoints are (-1,-7) and l(2,6) is reflected over the y=-x ? what are the coordinates g’l’?

The length of a shadow of the building is 36m. the length of the pole, which is perpendicular to the ground, is 1.9m. the length of the pole's shadow is 1.52m. what is the height of the building?

Bring the fraction a/a-4 to a denominator of 16-a^2

The vertices of a triangle are a(7.5), b(4,2), and c19. 2). what is