A cone and a sphere have the same volume. the cone has a vertical height of 18cm and a base diameter of 12cm.
work out the radius, r, of the sphere. give the answer to 3 significant figures.

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 of the following is the true for f(x) = 5cos

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.