3(4m-2) -2(m+5)
12m -6 -2m -10
10m -16
answer is 10m -16 :)
The room is 15yd × 10yd
so 15×10=150
the room is 150 square ft
It's c.
for example:
2*2 +1 = 5
2*4 +1 =9
you can keep going ....
Reflecting across the x axis maintains the same x coordinate, but changes the sign of the y coordinate.
So, the transformation is
