Tentukan kondisi berikut yang manakah yang menunjukan kondisi rugi pemasukan rp. Pengeluaran rp a. 700.000. 900.000 b.1.100.000. 1.100.000 c.2.100.000. 2.000.000 d.1.650.000. 1.550.000 PLISSE TOLONG JAWAB YG BENER

In triangle abc, the length of side ab is 12 cm, the length of side bc is 5 cm, and the length of side ca is 9 cm. find the measure of angle a using the law of cosines.

The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?

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.