Can somebody who is qualified at math, and application inequalities please check my answers? I will fan, medal, and testimonial.

Question

ms-brains · Answer

I think it is B?

ms-brains · Answer

What do you guys think?

zale101 · Answer

How come you think its B?

zale101 · Answer

When it said "If the perimeter is at most 130 centimeters" what type of inequality they want you to deal with? 
Less than, greater than,  less than or equal to, or greater than or equal to

ms-brains · Answer

Greater than, because the MOST part indicates it..?

zale101 · Answer

When it said at most, can 130 cm be included though?

ms-brains · Answer

yes..?

zale101 · Answer

http://www.onemathematicalcat.org/algebra_book/online_problems/at_least_most.htm This is helpful :)

ms-brains · Answer

Um. okay. Thanks. I was just wondering if I was correct.. xD

zale101 · Answer

at least means any number greater than or equal to 130 cm
at most means any number less than or equal to 130 cm

ms-brains · Answer

Yeah..