An item has a listed price of $30 if the sales tax rate is 7% how much is the sales tax in dollars

Name the quadrilaterals that have four equal sides.

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

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.