En un vivero, Catalina colocó tres filas de materas con flores. En cada fila hay 9 lilas y 7 petunias. ¿Cuantas materas colocó Catalina en total? ¿Qué propiedad de la multiplicación puedes aplicar para resolver el problema?

Which of the following are independent events? a) knowing that it is going to rain tomorrow, and bringing an umbrella to schoolb) knowing that you have to get up early tomorrow, and going to bed before 9 p.mc) knowing that it is going to rain tomorrow, and going to bed before 9 p.md) knowing that you have a test in school tomorrow, and studying thw night before

Polygon abcd is a rectangle what is the area

Nina has prepared the following two-column proof below. she is given that ∠oln ≅ ∠lno and she is trying to prove that ol ≅ on. triangle oln, where angle oln is congruent to angle lno nina made two errors in the proof. identify and correct the errors.