I. Alternate freezing and thawing II. Karst topography
III. Plant roots
IV. Exfoliation
V. Abrasion
Weathering can be either a chemical or a physical process. The action of water causes physical weathering of rock. Which examples of weathering are the result of the action of water?
A) I, II, V
B) I. and II.
C) I, II, III.
D) I, II, IV, V

Factor the monomial completely 42a3b3

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.

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?