Help me figure out this problem please

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.

What is the length of the missing leg in this right triangle? 18 mm 24 mm 26 mm 32 mm

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation