Simplify the question: 4^8\4^-4

Which equation and solution can be used to solve this problem? thirteen less than a number is sixteen. 13-n=16: add 13 to both sides. the answer is 29. n+13=16: subtract 13 from both sides. the answer is 3. n+16=13 subtract 13 from both sides. the answer is 3. n-13=16: add 13 to both sides. the answer is 29.

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16