Pls me to answer this.. a ratio of 21/11 is equal to a ratio of : 1

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

Which expression is equivalent to 3^3 + 2^2?

Idon't get undoing if its pass adding and subtracting so can someone ? x-2 over 5 = 18