9/40 because when you put it in fraction form its 225/1000 then you simplify!
Answer:
a+B=c. x+8=17. x+8-8=17-8.
x=9
1) it must be fulfilled that the denominator is different from zero, then for this expression
x^2 -9 ⇒ x^2-3^2 = (x-3)(x+3)⇒ (x-3)(x+3) = 0 ⇒ x = 3 o x = -3 , the dominium is all numbers reals except 3 and -3
2/3 of pizza would be the answer
