What is the average rate of change of f(x), represented by the graph over the interval [-2,2]

In the figure dhg fhe which statement is true by cpctc

What are the relative frequencies, to the nearest hundredth, of the rows of the two-way table? group 1: a 15 b 45 group 2: a 20 b 25

Noor brought 21 sheets of stickers. she gave 1/3 of a sheet to each of the 45 students at recess. she wants to give teachers 1 1/2 sheets each.