A scale has a percent error of 5%. The actual mass of a rock is 258 g. Select from the drop-down menus to correctly complete the statement.

The scale is likely to show the mass is either or

step-by-step explanation:

i am not sure sorry : c

v v cj van config k tbs eng r.c r.c fcb fb gb frfr

option 3 . (5x + 1) - (-10x + 6)

step-by-step explanation:

option 1 :

(4x + 3) + (-9x + 4)

or 4x+3 -9x + 4

or -5x + 7

option 2

(x - 2) - (6x - 9)

or x-2-6x + 9

or -5x + 7

option 3

(5x+ + 6)

or 5x + 1 + 10x -6

or 15x -5

option 4

-4x+2x+7-3x

-7x + 2x + 7

-5x + 7

hence only option 3 did   not satisfy the given simplify expression.

this may not be at all, but i use the same website you're using for school, and if i'm stuck doing one of these i try to look for it on the section.