What is the inequality for t: 0.1-2t> 0.7

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.

Opposite angles in a parrellelogram are

You buy a veido game for $60 and the sales tax is 8% what is the total cost for the game including the sales tax