13/8 is already an improper fraction
I don't know what posts are but i'm assuming you would subtract 21 from 17 and get 4.
Answer:
skewed to the left
Step-by-step explanation:
when you look at the graph, you look for where the peaks are. if the peak is not centered, it is skewed. in this case, it leans towards the left. hope this helps :)
Answer:
32.5cm squared
Step-by-step explanation:
((4+9)/2)·5=32.5
Answer:
You find the area of all the faces of the square pyramid, then add them together to get the surface area.