What is 5x (3/5 +1/2) Equal as a fraction with a whole 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.

Find the multiplicative inverse of 8-12i

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.