A student creates several graphs showing how atmospheric has changed over time for each graph the student plots time Against atmospheric changes why is time an independent variable 

Witch one is it soo it the the question b.a,b,c,d

Afootpath is to be constructed in a park in the shape of a parallelogram. when a coordinate plane is laid over a map of the park, the vertices of the footpath are (-4,2) (8,2) (11,7) and (-1,7). what is the perimeter of this path

What is meant by the term relative location?