The simplest answer is 0 if u actrually do the work if u have to sneak a calculator in XD
The best estimate of the sum of the expression given is 
What is a Fraction ?
A fraction is written as p/q , where q
0
It is asked to determine the sum of the fraction
31/4 + 17/3 + 8/18
Taking the LCM of 4 , 3 , 18
LCM of 4 , 3 ,18 is 36
Therefore

(279+204+16) /36
499 / 36

Therefore the best estimate of the sum of the expression given is
.
To know more about Fraction
brainly.com/question/10354322
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.438
rounded to nearest tenth = .4
rounded to nearest hundredth = .44
<span>m∠A =73.7°
m∠B = 16.3°
m∠C = 90<span>°</span></span>
The answer is: " (x + 2) " .
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