Quadrilateral H prime is the image of quadrilateral H after a sequence of transformations. If quadrilateral H prime is congruent to quadrilateral H, which transformations could have been used?
a dilation by a scale factor of 2 followed by a reflection
a rotation followed by a dilation by a scale factor of One-half
a reflection, a translation of 1 unit left, and then a dilation by a scale factor of 3
a translation of 6 units down, a rotation, and then a reflection

What is the nth term rule of the linear sequence below? 27 , 25 , 23 , 21 , 19 , . .

An empty bucket is placed under a faucet dripping at a constant rate of 4 milliliters per minute. with the given information, which of these statements is a reasonable conclusion? a there will be 24 milliliters of water in the bucket after 16 hour. b there will be 60 milliliters of water in the bucket after 14 hour. c there will be 160 milliliters of water in the bucket after 20 minutes. d there will be 100 milliliters of water in the bucket after 40 minutes.

How can constraints be used to model a real-world situation?