Mr. knotts found the difference of the following expression. which statement is true about mr. knott's work?
step 1: (x+ 1}x=15 +1
1(x+1)
step 2: (x + 1)(x-1)
(x + 1)(x-1)
x-x+1
step 3: (x + 1)(x-1)
step 4
(x+ 1)(x-1)

a box 3 3/4 feet long or 4+ feet.

step-by-step explanation:

step-by-step explanation:

no, her answer is not correct.   we square the lengths of all sides and then determine whether the pythagorean theorem holds here:

9² + 15² = 306.   this is not equal to the square of the longest side ( that square being 395.   answer c is correct.