The length equals √123=11.09 inches
Therefore the statement "The length of the photo frame is between the 11 inches and 12 inches." is true.
3/10 =2/x
3x = 20
x = 6.66
3/10 = 2/6.66
0.3 = 0.3
true
The saying is "Five or above, give it a shove. Four or below, let it go" Meaning, round up if the following number is ≥5, and to round down if the number is ≤4
In this case, 80.945 would be rounded to 80.9.
Hope this helps!