2.3,12/5,5/2,2.2,21/10. Order from least to greatest

21/10, 2.2, 2.3, 12/5, 5/2,

Step-by-step explanation:

just treat the fractions like your dividing and turn them into a decimal eg. 21/10 is 2.1 making it smaller then 2.2

hope this helped  

answer: bearing in mind that a rectangle has a perimeter of length + length + width + width.

step-by-step explanation:

p = perimeter

l = length

x=width

p = 2l + 2x

p = 2(l+x)     < ==== perimeter of the base of the box.

-12 > a

step-by-step explanation:

-11 > 1 + a

subtract 1 from each side

-11 -1> 1 -1+ a

-12 > a