Four countries that have borders on two continents ?

The lines marked by the letters a, b, and c on the map above represent a. chains of volcanoes b. earthquake fault lines c. thin strips of heavy forests d. major rivers that flow from north to south

Combine like terms. do not forget to use the distributive property to simplify the first term. 2(3y + 5k) - 2k

This word for a bug or malfunction was popularized in the 1962 book into orbit by the mercury astronauts