Answer:
n + (n + 6) = 24.
Step-by-step explanation:
Let him have n blue marbles, then he has n + 6 other narbles.
He has a total of 24 marbles, so:
n + (n + 6) = 24.
Pretty sure it's A. (X times .5 equals Y)
Y=-1/20(x+3)^2
Your could always tell by which way the curve is pointing and if pointing down it’s a negative it’s pointing up it’s a positive
Hope that helped
5 and 1 half this is the answer my son thought of.
To help find surface area you can add up all of the sides of the shape and multiply it by its height