Twice a number plus four equals 6. what is the number

Organisms that live in the alpine and taiga biomes have developed unique adaptations that aid in their survival. the douglas-fir is a conifer tree that grows in the taiga biome. it has an average height of about 70 feet, and its wood is an important source of lumber.

Plzzz i beg u so much asaaaap ! what is the slope of this line? enter your answer in the box.

Write two subtraction equations that are equivalent to 5 + 12 = 17.