The given expression is

49 is the square of 7 and 64 is the square of 8.
So we can write the given expression as


Answer:
D
Step-by-step explanation:
Saying the number of |`s is the number side and |<|||>|| then for a triangle i can say |+||>|||
2 closets each with 3 shelves, 2x3 is 6. 5 backpacks on each shelf so 6x5 is 30
Therefore there is a total of 30 backpacks
Answer:
815/1000=163/200 is the simplest form.