Answer:
Step-by-step explanation:
Divide the number of decorations made in 3 and a half hours by 3.5.
280/3.5= 80
They can make 80 decorations per hour
Hope this helps!
Answer:
A.
Step-by-step explanation:
It has a negative slope, so B and C are eliminated. The graph also has a solid line instead of a dashed line. This means D is eliminated because it is only greater than. If the graph had a dashed line, then D would be correct, but it does not.
Answer:
0
Step-by-step explanation:
We can write the equation in a simpler form so it doesn't look like a mess of numbers:

Because we are just adding three terms together and then subtracting those exact terms, we have the answer as 0.