You do 9x27=243 then take 2x31=62 add 243+62=305 then take 305 and subtract it from 28 305-28=277
so if i did it right you should get n=277
Answer:
The diagonals of a rectangle are always congruent
Answer:
The answer is 415 because it is already in standard notation.
1.

so

Answers B and D.
2.

Answer D.
3.
The same as point 2. Answer D.
4.
Answer C.
Answer:
B
Step-by-step explanation: