I WILL BE GIVING AWAY 100 FREE POINTS, TWICE A DAY All you have to do is send me an invite and check to see when I'm on and when I have posted a new question.
When I post one of my questions, I will start with "Hey, Brenna here" and I will follow up with a stupid or easy question. But you must all agree on an answer and comment on your final answer and you will have the chance to win 100 free points.
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Step-by-step explanation:

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: c.  

step-by-step explanation:

mixtures containing substances that get attracted to magnet can be separated using a magnet. we can separate iron from a mixture of sand and iron, as only iron attracts to the magnet.