He has to add half of a foot to get 2 and a half feet for the banner
The answer is 5 and -5, because squaring a positive or negative number give the same value, so square rooting that number should give back those positive and negative value. THIS ONLY WORKS FOR WHEN THE SQUARE ROOT OR THE SQUARING IS AN EVEN NUMBER.
2x - 19
Let's substitute the value of x in the equation
2 ( -11 ) - 19
-22 - 19
-41
So correct option is D.
Hope this helps you.. :)
You mean what is 9/0 simplified to?
