Which expression is equivalent to 3^-1⋅3^0?
A) 1/3
B) 1/9
C) 9
D) 3

At 6 1/2 cents per pound of string beans how much does 7 pounds cost

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? )

Atorch and a battery cost 2.50 altogether. the torch costs 1.50 more than the battery. what fraction of the total price is the torch? give your answer in its simplest form.