Step-by-step explanation:
4 * 7 = 28
28 - 12 = 16
Answer:
3x2-3x+9
Step-by-step explanation:
(h-k)(3)
(X2+1-(x-2))(3)
(x2+1-x+2)(3)
3x2+3-3x+6
3x2-3x+9
6+5=11+5=16+5=21
3+6=9+6=15+6=21
It will take Marco and Sophie 3 hours to get the same amount of money. The amount of money they will have will be $21.
Volume of a cube = 1/3 volume of cube = 1/3 * 36 = 12 cubic feet.