2 liters is equivalent to ounces (rounded to the nearest hundredth)

What is the value of the expression below? (81^2)^1/8

A, b, c, and d have the coordinates (-8, 1), (-2, 4), (-3, -1), and (-6, 5), respectively. which sentence about the points is true? a. a, b, c, and d lie on the same line. b. and are perpendicular lines. c. and are parallel lines. d. and are intersecting lines but are not perpendicular. e. and are parallel lines.

What is the area of a triangle with vertices at (-3 3) (-3,2) and (1,2)?