What are the five other terms in the sequence if t(1)=-3 and t(n+1)=-2t(n)?

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.

Full year - williamshow many square inches are in 60 square feet? 5 square inches72 square inches720 square inche8.640 square inches

(05.02)how many triangles can be made if two sides are 4 inches and the angle between them is 90°? 1 , 2, more than 2, or none