Combine the like terms in each expression to find the matching simplified expression. y+x-2-6x

2x+3-x-4

5xy+4x-5xy-3x

the one on the bottom left

step-by-step explanation:

all of the other ones have a specific pattern

to complete this square you have to rotate about the origin 270 degrees clockwise.

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.