Answer:
S=-2
Step-by-step explanation:
513 as a percentage of 900 can be re-written as;

= 57 percent
Answer and Step-by-step explanation:
To find the surface area of a pyramid, start by multiplying the perimeter of the pyramid by its slant height. Then, divide that number by 2. Finally, add the number you get to the area of the pyramid's base to find the surface area.
The missing measure is 26.13............
32 mins is the answer and you can check the photo I added!!