a person walks 25 m west and then 45 m at an angle of 60◦ north of east. how far is the person from where they started?

These two squirrels live in the same ecosystem. what type of interaction do the images represent? a. direct competition b. mutualism c. interference competition d. symbiotic e. indirect competition

How many liters of 60% alcohol solution should be added to 40 liters of a 20% alcohol solution to make a 50% solution?

What principle of light’s behavior can be used to make a far away object appear closer and also make a small object appear larger? a. reception b. absorption c. refraction d. transmission