What figure of speech is used in "White smoke crept over a green field." Alliteration
Idiom
Simile
Personification

Personification

Explanation:

Alliteration means the occurrence of the same letter or sound at the beginning of adjacent or closely connected words.

Idiom means a group of words established by usage as having a meaning not deducible from those of the individual words.

Simile means a figure of speech involving the comparison of one thing with another thing of a different kind, used to make a description more emphatic or vivid.

Personification means the attribution of a personal nature or human characteristics to something nonhuman, or the representation of an abstract quality in human form.

So the answer is personification because "White smoke crept over a green field." is the attribution of a personal nature characteristics.

substitute y = 2x - 4 to x + 2y = 12:

x + 2(2x - 4) = 12     use distributive property

x + (2)(2x) + () = 12

x + 4x - 8 = 12     add 8 to both sides

5x = 20     divide both sides by 5

x = 4

put the value of x to the first equation:

y = 2(4) - 4

y = 8 - 4

y = 4

kenny´s more than 25 years of relevant public service. in the army for two decades, as official representative for four years, and now for the department of state, as ambassador. this career clearly demonstrates great capacities in the public sector.