Which expressions are equivalent to this expression? 4x + 4

Select each correct answer.

2x + 1 + 2x + 3
x + 3x + 4
2(2x+2)
4(x+4)

12x + 1 = 25 solve the following equation. then place the correct number in the box provided.

This is a map of the mars exploration rover opportunity predicted landing site on mars. the scale is 1cm : 9.4km. what are the approximate measures of the actual length and width of the ellipse? i mostly need to know how to set it up : )

Identify the number as a regional or irrational.explain. 291.87