Answer: The right answer is 85.0
Step-by-step explanation: I just did it
Will you mark me brainlyest?
Answer:
8
Step-by-step explanation:
every one text = 8 cents
x³ + 2x² - x - 2 < 0
x³ - x + 2x² - 2 < 0
x(x² - 1) - 2(x² - 1) < 0
(x - 2)(x² - 1) < 0
(x - 2)(x - 1)(x + 1) < 0
by chacking we get the solution
x ∈ (-∞,-1) ∪ (-1,1)
$320 5 times 20 is 100 so you have to times 16 by 20 to get the total 100% of the video game system