Dat be called common difference represented by d in the equation
Answer:
DEF
Step-by-step explanation:
The other triangle is a reflection
Is this a question? Or what is the question if you first said it?
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.