The graph of a relationship between variables that is directly proportional is a straight line.
a. true
b. false

How do ocean currents affect temperature? check all that apply. they carry cold water from the poles to the equator and cool air over land. they flow north and then south below the equator. they flow south and then north above the equator. they move warm water from the equator to the poles and heat air over land. they move east to west and create prevailing winds. they move west to east and create seasonal winds.

What was the first official pair of sister cities?

Find the coordinates of a if b(-9,-10) is the midpoint of ac and c has the coordinates of (-1,9)