The sum of a number and 8 is 15

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.

Which table represents a linear function? i'll give brainliest to first answer ^'^

What is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²