¿Cuáles son los países con mayor porcentaje de jóvenes entre 10 y 24 años de edad? ¿y los que tienen menor porcentaje?

What is the result of the greenhouse effect? a. heat is deflected from the atmosphere. b. heat is released from the atmosphere. c. heat is kept in the atmosphere. d. plants are able to grow in the tropics where the air is the heaviest.

In the diagram below dab and dac are adjacent angles

Find the coordinates of a if b(-9,-10) is the midpoint of ac and c has the coordinates of (-1,9)