Answer:
2c+12
Step-by-step explanation:
I aced maths class
Step 1: Group this into two groups:

When you do that, be sure to group the "–" into the group with the 9 and make sure there's "+" between the groups.
Step 2: Factor out the GCF from both individual groups:

Step 3: Notice both groups have that (h+2)? That's a new GCF between the two groups, so factor that out:

Step 4: That
piece can be factored further, since it's a difference of squares:

Now it's factored.
5.5x Scale
22/4=5.5
She drew the butterfly 5.5 times bigger than it is in real life.
Answer:
4:!
Step-by-step explanation:
4:1 because their are 4 boys for every 1 girl