Answer:
12 and -12
Step-by-step explanation:
12x-12y is the expansion using the distributive property, so the coefficient of x is 12 and the coefficient of y is -12
Answer:
Division
Step-by-step explanation:
This is because right now you are multiplying 9 by the x. So we have to divide by both sides to get the x variable by itself.
Answer:
Dan
Step-by-step explanation:
Ella has only 65 photos, while Dan has 78.
78 is a higher number than 65...
6 Possible outcomes.this is a combination problem the order of drawing a marble is not important because red, blue would be the same outcome as blue, red.
the combination formula is as follows.

plug in 4 for n and 2 for r.