Which operation is NOT closed for polynomials? A)
(x2 – 3x + 5) + (5x? – 8x + 4)
B)
(4x3 - 2x + 6) – (x2 + 3x + 2)
(x2 – 3x + 5)(x? - 4x + 4)
D)
(x2 + 3x + 5)
(X® + 4x + 2)

The box plot shows the number of raisins found in sample boxes from brand c and from brand d. each box weighs the same. what could you infer by comparing the range of the data for each brand? a) a box of raisins from either brand has about 28 raisins. b) the number of raisins in boxes from brand c varies more than boxes from brand d. c) the number of raisins in boxes from brand d varies more than boxes from brand c. d) the number of raisins in boxes from either brand varies about the same.

Over the last 8 nights, elyse earned the following in tips: {105, 120, 84, 95, 100, 132, 140}. if she earns $140 a night for the next four nights, which measure of center would increase more, the mean or median?

Ten times the square of a non-zero number is eqaul to ninety times the number