Which two numbers are 4 units away from 0 on the number line?
a) 0 and 4
b) 2 and -2
c) 4 and -4
d) 4 and 8

The inside wheels of a car traveling on a circular path are rotating half as fast as the outside wheels. the front two wheels are six feet apart. what is the number of feet in the path traced by the inside front wheel in one trip around the circle? express your answer in the form "k \pi", where k is an integer.

Quadrilateral abcd in the figure below represents a scaled-down model of a walkway around a historic site. quadrilateral efgh represents the actual walkway. abcd is similar to efgh. what is the total length, in feet of the actual walkway?

On the first of each month sasha runs a 5k race she keeps track of her times to track her progress her time in minutes is recorded in the table