Find the displacement of a person who walks the following three paths on a flat field. First she walks 15.3 m north of her initial reference point (0,0). Next, she walks 10 m east. Finally, she
turns and walks 5.5 m south.

What are some important factors to consider when choosing a warm-up before your workout?

Why does karst topography exist in some geographic location? a. few climates have enough oxygen b. most regions have rock layers other than limestone c. in most regions, the soil is too thin d. the water is too acidic enough in most places

Elements in group viiia (also known as group 18, or the noble gases) have similar properties because they all have a. the same number of electron shells b. full octets c. the same number of valence electrons d. the same number of electrons needed to fill their octet