Can someone please help me, I'll give brainliest :)

Which expression is equivalent to (9x - 3 1/ + 1 3/8)

Consider this equation. |y + 6| = 2 what can be concluded of the equation? check all that apply. there will be one solution. there will be two solutions. the solution to –(y + 6) = 2 will be also be a solution to the given absolute value equation. the solution(s) will be the number(s) on the number line 2 units away from –6. the value of y must be positive since the variable is inside absolute value signs.

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.