Jessie used a ruler to measure a colored pencil is 14.3 mm long find her mistake and correct it

The expression 42 plus 57 shows how much money nate spent at a store .which expression also shows how much money nate spend

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

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)