Simplify the expression help, please
275j+2.25-1.5j+3

Ineed ! the person who answers and shows their work on they got the answer first will be marked the !

Which of the following equations is of the parabola whose vertex is at (2, 3), axis of symmetry parallel to the y-axis and p = 4? a.)y-3 = 1/16 (x-2)^2 b.)y+3 = -1/16 (x+2)^2 c.)x-2 = 1/16 (y-3)^2

What is the solution to the equation? k/6.4=8.7 2.3 5.568 15.1 55.68