Select the correct answer from each drop-down menu. The annual enrollment of a university for the last nine years is recorded in the table.

Year 1 2 3 4 5 6 7 8 9
Students (thousands) 9.5 8 8.5 7.5 6.5 6.5 8.5 8.5 9
What quadratic function best models this set of data?

Polygons efgh and e′f′g′h′ are shown on the coordinate grid: what set of transformations is performed on efgh to form e′f′g′h′? a. a translation 1 unit to the left followed by a 90-degree counterclockwise rotation about the origin b. a translation 1 unit to the right followed by a 90-degree counterclockwise rotation about the origin c. a 90-degree clockwise rotation about the origin followed by a translation 2 units to the right d. a 90-degree clockwise rotation about the origin followed by a translation 2 units to the left

It says factor each expression 49x-28?

100 points? me its important ‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️