D
Find the angles a, b, c and d.
790
a
1839
b
Not drawn
to scale

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 axis of symmetry of the function f(x)=-(x+ 9)(x-21)

4+(2+x) can you me solve this problem