729. multiple 9 times 9 then 81 times 9 and you get D
3.14?
or do you want more digits?
3.141592653589793238462643383279502884197169399375105820974944592307816406286<span> </span>
Answer:
0
Step-by-step explanation:
x2 +4x-21=0. solve for x


Answer:
3: 200, 200
4:800
5:400
Step-by-step explanation:
:)