Step-by-step explanation:
(25)^(-0.25) / (25)^(0.25)
= (25)^(-0.5)
= (5)^(-1)
= 1/5 = 0.2.
Answer:
24 kids in the classroom.
x^3 - 8x² - x + 8 =0
x^3 - 8x² - (x - 8 )=0
x²(x-8) - (x-8) = 0
(x-8)(x² -1) =0
x-8 = 0 or x² - 1 = 0
x-8=0 or (x-1)(x+1)=0
x=8 x=1 or x=-1
