Factor completely.

x8 - 1/81

answers are
(x 4 - )(x 2 + )(x 2 - )

(x 4 + )(x 2 - ) 2

(x 4 + )(x 2 + )(x 2 - )

The diameter of a circular chip is doubled to use in a new board game. the area of the new chip will be

Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?

List x1, x2, x3, x4 where xi is the left endpoint of the four equal intervals used to estimate the area under the curve of f(x) between x = 4 and x = 6. a 4, 4.5, 5, 5.5 b 4.5, 5, 5.5, 6 c 4.25, 4.75, 5.25, 5.75 d 4, 4.2, 5.4, 6