Which is the best equation to use to solve this problem?
the perimeter of a rectangle is 90 ft. the ratio of the length to the width is 8: 7. what are the dimensions of the rectangle?
a.
b.
c.
d.

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )