The area of a rectangular playground is 78 square meters. if the length of the playground is 13 meters, what is the width

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?

60 2(x + 2) in the diagram, gef and hef are congruent. what is the value of x?

1. solve the system of equations by graphing: y = -3x - 3 m = b = y = 2x + 2 m = b = plz solve now