-3*-2*-2=6*-2=-12 because negative multiplied by negative is positive
60.187
this is the answer it just wont let me tell you if I don't have 20 characters.
The area of the trapizoif is 97.5
Answer:
Stratified Sampling
Step-by-step explanation:
Since Keri divides the day into different strata and each unit is selected from each strata randomly. So, it is Stratified Sampling.
Further, In Stratified Sampling population is divided into several groups such that within the group it is homogeneous and between the group it is heterogeneous. And now a selection of each stratum and unit has an equal chance of selection.
