Which expression is equivalent to r^m ÷ r^n r^m − n r^m + n r^m ⋅ n r^m ÷ n

How many solutions does the nonlinear system of equations graphed bellow have?

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? )

Kai walked one and two-thirds of a mile on saturday and four and one-sixth of a mile on sunday. how many miles did kai walk?