Which would the phrase the difference between a number and 4 look like as a variable expression 1. 4x+4

2.4 - x

3. x - 4

4. -4x

Find the difference (8ab+a+2) - (3ab+6)

Which shows the correct lengths of side c in both scales? scale 1: 45 m; scale 2: 60 m scale 1: 60 m; scale 2: 45 m scale 1: 36 m; scale 2: 27 m scale 1: 27 m; scale 2: 36 m mark this and return save and exit

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10