Which pair of expressions are equivalent? 4x-(2x-2y);2x+2y
x(x+2y);2x+2xy
12x-(x+y);11x+y
3(2x-3y);6x-3y

On a architect's drawing of a house, 1 inche representa 1.5

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.

Jason went to an arcade to play video games. he paid $2 for every 11 tokens he bought. he spent a total of $16 on tokens. which equation can be used to determine,t, the number lf tokens jason bought