Algebra is not epic or i just don't know how to do it, and in a state of angered ignorance i have come here to seek

Choice (D): x<=-2 or x>=8

Explanation:

An absolute value |x| is a function that has a "tricky" definition: it equals x is x >=0, but changes abruptly to -x for values of x<0.  

This two-case scenario has to be respected and built into a solution of any equation or inequality involving absolute values.

So we start treating the inequality for two cases:

(1) for the case when x-3 >=0, fo which the absolute value is the same what is inside the vertical brackets:

(2) for the other case of x-3<0, in which case we need that extra minus sign:

So putting both cases together, the solution to the inqueality is an x falling to either of the two intervals: x>=8 or x<=-2, which corresponds to choice (D).

to find the perimeter of the rectangle this is the expression:

x-9+x-9+3x-4+3x-4=138

if we simplify it:

8x-26=138

remember, 138 is what it all adds up to

the length is 11.5cm

the width is 57.5cm

the area is 661.25cm^2

the answers might not be correct use at own risk

answer: 0,6

step-by-step explanation:

this would make it the y intercept.