Resuelve las siguientes situaciones de forma gráfica (modelo de barras):
1. Un avión tiene 400 asientos. El 60% de ellos es de clase económica. ¿Cuántos asientos hay en clase económica?

The lengths of all sides of a triangle are integers when measured in decimeters. one of the sides has length of 1 dm and another of 3 dm. find the perimeter of the triangle.'

Can someone me with my math problems i have a bunch. i will give brainliest and lots of pleeeaaasssee

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)