Quadrilateral ABCD is shown on the coordinate grid below. Which rule best describes the transformation that was used to create quadrilateral A'B'C'D'?

A. Quadrilateral ABCD was dilated by a scale factor of –1 to create quadrilateral A'B'C'D'.

B. Quadrilateral ABCD was dilated by a scale factor of 2 to create quadrilateral A'B'C'D'.

C. Quadrilateral ABCD was dilated by a scale factor of 0.5 to create quadrilateral A'B'C'D'.

D. Quadrilateral ABCD was dilated by a scale factor of 0.25 to create quadrilateral A'B'C'D'.

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present

What is the polyatamic ion of borate

Agroup of students is studying convection current. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other is in an area with warm air. after 10 minutes, the balloon are released from a height of 1 meter. which of the following to the students most likely observe? a) the warm balloon expands and rises. the cold balloon shrinks and sinks b) the balloon both rise. the cold balloon is larger than the warm balloon c) the cold balloon expands and rises. the warm balloon shrinks and sinks d) the balloon rise at the same rate. both balloons are the same size