4 or if you are an idot 13. correct answer is 4
put the 2 0's behind one of the 100. the answer is 10000 or 10,000
if the number is 12 than you hit the minus key, or button on the calculator. -12
9, 10,11,12,13,14,15. the answer is 15.
5.75
3x+5=4x+6
3x-4x+5=4x-4x+6
-x+5=6
-x+5-5=6-5
-x=1
(-x/-1)=(1/-1)
x=-1
listen man i dont under stand this but this is from the book
