Can someone me simplify quantity x squared plus 5 x plus 4 end quantity over quantity x plus 4?

The perimeter of a quarter circle is 14.28 miles. what is the quarter circle's radius?

Grant simplified the expression 1.5(-3.2 + 2.5) his work is shown below explain the error in grants work

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)