20 x 42= 840
So the area would be 840 mm^2.
C
hope this helps have a good day!! :)
please mark brainliest
X=2
So you solve for x by simplifying bath sides of the equation, then all you do is isolate the variables
I am just answering for points
X + x + 24 = 58
x = (58-24)/2=17
the first number is 17 and the second number is the sum of 17 and 28. Finding it has been left as an exercise for the reader.