A bag contains white marbles and blue marbles, 57 in total. The number of white marbles is 9 more than 2 times the number of blue marbles. How many white marbles are there?

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

Solve: 3x+y=6 4x-2y=18 show all work !

What’s the volume of the triangular prism?