What is the measure of angle 1,2,3? PLEASE HELP

Complete the truth table a. t, f, f, t b. t f f f c. f t f t d f t f t

The vertices of a triangle are a(7.5), b(4,2), and c19. 2). what is

Find a parametrization for the curve「and determine the work done on a particle moving along γ in r3 through the force field f: r^3--r^3'where f(x,y,z) = (1,-x,z) and (a) im (γ) is the line segment from (0,0,0) to (1,2,1) (b) im (γ) is the polygonal curve with successive vertices (1,0,0), (0,1,1), and (2,2,2) (c) im (γ) is the unit circle in the plane z = 1 with center (0,0,1) beginning and ending at (1,0,1), and starting towards (0,1,1)