The view from a Math teachers 8 foot by 2 foot window is shown below. A uniform (same size all around) frame surrounds the window (the gray colored part). The area of the window AND the frame together is 40 square feet. The width of the frame (x in the diagram) is...

true !

step-by-step explanation:

a: 1/6, j: 1/4

step-by-step explanation: you are welcome

answer: 4  

the square root of 16 is 4. it is a very simple mathematic concept. a square root when a number multiplied by itself will result in a number. here, the number 16 comes when 4 is multiplied by 4. hence the square root of 16 is 4. you can always figure out a square root by the inverse operation of squaring.  

x:       y:  

-1         4

0         4

1         6

2         18

3         20