Answer:
Answer is A
Step-by-step explanation:
subtract 15 1/4 and 2 2/3
Answer:
8
Step-by-step explanation:
18-12
12-X
X=12*12/18
X=8mm
Answer:

Step-by-step explanation:
The formula for the surface area of a pyramid is 
Answer:
7
Step-by-step explanation:
because y is square by green and 7 is also green I guess