October of 2009 there were aproxitly 5 times 10 7th power members of a website. in January there were aproxitly 2 times 10 2nd power. how many more members mwere there in January than in October. write answer in scientific notation

The vertices of a rectangle are given in the columns of the matrix . if is found to perform a transformation, what are the coordinates of the transformed rectangle? (0, 0), (0, –3), (–3, –3), (–3, 0) (0, 0), (0, 3), (3, 3), (3, 0) (0, 0), (0, 3), (–3, –3), (–3, 0) (0, 0), (0, 3), (–3, 3), (–3, 0)

Complete the statements about the system of linear equation respresented by the tables the equation respented the left table is

Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.