What is the value of a?

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.

Aboat costs 19200 and decreases in value by 12% per year. how much will it cost in 5 years

Write the pair of fractions as a pair of fractions with a common denominator