Martha y Raúl tomaron en conjunto 175 fotos, de éstas Raúl tomó 77, ¿cuál es la ecuación algebraica que permite conocer cuántas fotos tomó Martha?

The composite figure is made up of a parallelogram and a rectangle. find the area. a. 76 sq. units b. 48 sq. units c. 124 sq. units d. 28 sq. units

Describe the relationship between the angles of similar triangles and the sides of similar triangles

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?