If you are asking for a common factor of 16 AND 20 the answer can be 80
Hope this helped :)
16. Is 77=x
Sqrt 2x+15=13
169=2x+15
154=2x
77=x
Carla used human accuracy to create perpendicular lines.
-She will grab a pencil and a bond paper
-She will grab the straighthead and the compass.
-She will test with the compass if the straighthead is orientated correctly.
-She will now make a line with the correctly orientated straighthead and pencil.
-She has finished
Daryl, used technological ease to create perpendicular lines.
-He opens his PC
-He opens Microsoft Word™
-He will insert two lines, one orientated 0° ↑, and one orientated 90° →
-He now connects the two lines.
-He will print the file
-He has finished.
She is buying 5.25 pounds of rice. 7/8 times 6 is 5.25