Identify the sampling techniques used, and discuss potential sources of bias (if any). explain. after a earthquake, a disaster area is divided into 150 equal grids. twenty of the grids are selected, and every occupied household in the grid is interviewed to focus relief efforts on what residents require the most.

In triangle opq right angled at p op=7cm,oq-pq=1 determine the values of sinq and cosq

Asap describe the transformations required to obtain the graph of the function f(x) from the graph of the function g(x). f(x)=-5.8sin x. g(x)=sin x. a: vertical stretch by a factor of 5.8, reflection across y-axis. b: vertical stretch by a factor of 5.8,reflection across x-axis. c: horizontal stretch by a factor of 5.8, reflection across x-axis. d: horizontal stretch by a factor of 5.8 reflection across y-axis.

Use the data on the dot plot to answer the question.how many people read for more than three hours last week? i'm on a unit test review