AC = 2 BD
Distance BD = √[(2.5+1)^2 +(3-3)^2]
Distance BD = √(3.5)^2
Distance BD = 3.5
AC = 2 * 3.5 = 7
Answer
d. 7
Correct Answer: 
We are to find:

Multiplying and simplifying the radicals, we get:
You need to remember your exponent rules. I don’t know any easier way to do it. These are all the ones I can remember right now
I think it’s B but I’m not 100%
Answer:
Step-by-step explanation:
Pyramid height should be 14
Base area should be 14*14(196)
So, Base area is 196
1. Multiply the Base area by the height of the pyramid:
196*14=2744
2. Divide the number above by 3:
2744/3=914.7