Pls answer all

1) State the conjugates of each radical expression. a) 2V/3 -4 b) - V5+ 2V2 2) Rationalize each expression. a) 3V/5 b) Vath- x 4V3-5v2 h 3) Determine the slope of the tangent of y = 4+x 2-2 at x = 8. You must use the limit definition for finding the slope of the tangent