23x-9x=? whats 23x minus 9x equal?

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? )

Solve this problem! extra ! 3025/5.5 = a/90.75

Sum of the interior angles of a pentagon