The ratio of the surface area of two similar cylinders is 9 to 16 what is the ratio of their corresponding heights

Given: hf || jk; hg ? jg prove: fhg ? kjg to prove that the triangles are congruent by asa, which statement and reason could be used as part of the proof? fgh ? kgj because vertical angles are congruent. jkg ? hfg because vertical angles are congruent. fhg ? jkg because right angles are congruent. hfg ? kjg because alternate interior angles are congruent.

Table which ratio is equivalent to 3: 7? 6: 7 3: 21 24: 56 15: 30

1/2+1/6-3/4 simplify the given expression leaving the answer in improper fraction form.