Answer:
the 4th one, hop this helps sorry if I wasn't right.
The volume is 210 cm^2. Remember that the formula to find the volume is Length times width times height
Yes it is, if you didn't use a number more than once in the x-axis then it is a function
The answer is 3x-12y because you combine the like terms so 2x+x=3x and -8y-4y=-12y
Answer:
there are just numbers and letters?