Which set of numbers would balance the equation below?* _Pb(NO3)2 + _Na, cro, → _NaNO, + _PbCro.
1.2.2.1
1.1.1.2.
O 1.1.2.1
0 2,1,1,2

Ateacher has $80 to buy workbooks. each work book cost $3. if she buys as many workbooks as possible, how much money does she have leftover? a) $2 b) $4 c) $6 d) $8

The table above shows approximate conversions from gallons to liters. what is the value of x?

What is the interquartile range (iqr) of the data set represented by this box plot?