If m = 8 and n = 4, all of the following represent the same value except m − n m mn

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

Me! i really need to get this right before 9. prove the divisibility of 7^6+7^5-7^4 by 11. use factoring so you get a number times 11. just tell me the number. i need this done asap

How can you construct perpendicular lines and prove theorems about perpendicular lines