I think its the first one, iambic.
Answer:
C. 
Step-by-step explanation:
Given wallpaper costs
per square foot.
Also, the dimension of the room is
long by
wide.
First, we will find the area of the room.
The room is in a rectangular shape.
So, the area of rectangle would be

Now, we will multiply this area with the cost of wallpaper.
As the cost of wallpaper is $1.25 per square foot.
The total cost of wallpaper for
would be 
Answer:
1 and 1/4
Step-by-step explanation:
add 3/4 and 1/2, divide 1/2 into 2/4 and when you add 2/4 to 3/4 you have an extra quarter. therefor you have 4/4 and 1/4 which is 1 and 1/4.
hope this helps <3
Answer:
7.81
Step-by-step explanation:
Pythagorean theorem

= 7.81
c = 7.81
Law of Cosines


c = 7.81