a survey shows that 28% of teens regularly watch television when they are doing their homework. suppose there are 379 seventh graders who complete their homework on a particular night. what would be the number of teens that will watch television while they do their homework?

Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.

Find the missing factor. write your answer inexponential form.9^2=9^4×

28 x 12 + 34 = ? it's for a test that if i fail on i will not proceed into the honor roll society i always dreamed of!me! worth 50 !